diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
index b70b84891cdb..cd1488b4d960 100644
--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -1623,6 +1623,7 @@ pref("loop.CSP", "default-src 'self' about: file: chrome:; img-src 'self' data:
 #endif
 pref("loop.oauth.google.redirect_uri", "urn:ietf:wg:oauth:2.0:oob:auto");
 pref("loop.oauth.google.scope", "https://www.google.com/m8/feeds");
+pref("loop.rooms.enabled", false);
 
 // serverURL to be assigned by services team
 pref("services.push.serverURL", "wss://push.services.mozilla.com/");
diff --git a/browser/components/loop/content/js/panel.js b/browser/components/loop/content/js/panel.js
index 122ce62b578e..23ab5b4b5bf3 100644
--- a/browser/components/loop/content/js/panel.js
+++ b/browser/components/loop/content/js/panel.js
@@ -14,6 +14,7 @@ loop.panel = (function(_, mozL10n) {
   var sharedViews = loop.shared.views;
   var sharedModels = loop.shared.models;
   var sharedMixins = loop.shared.mixins;
+  var sharedActions = loop.shared.actions;
   var Button = sharedViews.Button;
   var ButtonGroup = sharedViews.ButtonGroup;
   var ContactsList = loop.contacts.ContactsList;
@@ -21,12 +22,23 @@ loop.panel = (function(_, mozL10n) {
   var __ = mozL10n.get; // aliasing translation function as __ for concision
 
   var TabView = React.createClass({displayName: 'TabView',
-    getInitialState: function() {
+    propTypes: {
+      buttonsHidden: React.PropTypes.bool,
+      // The selectedTab prop is used by the UI showcase.
+      selectedTab: React.PropTypes.string
+    },
+
+    getDefaultProps: function() {
       return {
+        buttonsHidden: false,
         selectedTab: "call"
       };
     },
 
+    getInitialState: function() {
+      return {selectedTab: this.props.selectedTab};
+    },
+
     handleSelectTab: function(event) {
       var tabName = event.target.dataset.tabName;
       this.setState({selectedTab: tabName});
@@ -37,6 +49,10 @@ loop.panel = (function(_, mozL10n) {
       var tabButtons = [];
       var tabs = [];
       React.Children.forEach(this.props.children, function(tab, i) {
+        // Filter out null tabs (eg. rooms when the feature is disabled)
+        if (!tab) {
+          return;
+        }
         var tabName = tab.props.name;
         var isSelected = (this.state.selectedTab == tabName);
         if (!tab.props.hidden) {
@@ -442,6 +458,121 @@ loop.panel = (function(_, mozL10n) {
     }
   });
 
+  /**
+   * Room list entry.
+   */
+  var RoomEntry = React.createClass({displayName: 'RoomEntry',
+    propTypes: {
+      openRoom: React.PropTypes.func.isRequired,
+      room:     React.PropTypes.instanceOf(loop.store.Room).isRequired
+    },
+
+    shouldComponentUpdate: function(nextProps, nextState) {
+      return nextProps.room.ctime > this.props.room.ctime;
+    },
+
+    handleClickRoom: function(event) {
+      event.preventDefault();
+      this.props.openRoom(this.props.room);
+    },
+
+    _isActive: function() {
+      // XXX bug 1074679 will implement this properly
+      return this.props.room.currSize > 0;
+    },
+
+    render: function() {
+      var room = this.props.room;
+      var roomClasses = React.addons.classSet({
+        "room-entry": true,
+        "room-active": this._isActive()
+      });
+
+      return (
+        React.DOM.div({className: roomClasses}, 
+          React.DOM.h2(null, 
+            React.DOM.span({className: "room-notification"}), 
+            room.roomName
+          ), 
+          React.DOM.p(null, 
+            React.DOM.a({ref: "room", href: "#", onClick: this.handleClickRoom}, 
+              room.roomUrl
+            )
+          )
+        )
+      );
+    }
+  });
+
+  /**
+   * Room list.
+   */
+  var RoomList = React.createClass({displayName: 'RoomList',
+    mixins: [Backbone.Events],
+
+    propTypes: {
+      store: React.PropTypes.instanceOf(loop.store.RoomListStore).isRequired,
+      dispatcher: React.PropTypes.instanceOf(loop.Dispatcher).isRequired,
+      rooms: React.PropTypes.array
+    },
+
+    getInitialState: function() {
+      var storeState = this.props.store.getStoreState();
+      return {
+        error: this.props.error || storeState.error,
+        rooms: this.props.rooms || storeState.rooms,
+      };
+    },
+
+    componentWillMount: function() {
+      this.listenTo(this.props.store, "change", this._onRoomListChanged);
+
+      this.props.dispatcher.dispatch(new sharedActions.GetAllRooms());
+    },
+
+    componentWillUnmount: function() {
+      this.stopListening(this.props.store);
+    },
+
+    _onRoomListChanged: function() {
+      var storeState = this.props.store.getStoreState();
+      this.setState({
+        error: storeState.error,
+        rooms: storeState.rooms
+      });
+    },
+
+    _getListHeading: function() {
+      var numRooms = this.state.rooms.length;
+      if (numRooms === 0) {
+        return mozL10n.get("rooms_list_no_current_conversations");
+      }
+      return mozL10n.get("rooms_list_current_conversations", {num: numRooms});
+    },
+
+    openRoom: function(room) {
+      // XXX implement me; see bug 1074678
+    },
+
+    render: function() {
+      if (this.state.error) {
+        // XXX Better end user reporting of errors.
+        console.error(this.state.error);
+      }
+
+      return (
+        React.DOM.div({className: "room-list"}, 
+          React.DOM.h1(null, this._getListHeading()), 
+          
+            this.state.rooms.map(function(room, i) {
+              return RoomEntry({key: i, room: room, openRoom: this.openRoom});
+            }, this)
+          
+        )
+      );
+    }
+  });
+
   /**
    * Panel view.
    */
@@ -453,6 +584,10 @@ loop.panel = (function(_, mozL10n) {
       callUrl: React.PropTypes.string,
       userProfile: React.PropTypes.object,
       showTabButtons: React.PropTypes.bool,
+      selectedTab: React.PropTypes.string,
+      dispatcher: React.PropTypes.instanceOf(loop.Dispatcher).isRequired,
+      roomListStore:
+        React.PropTypes.instanceOf(loop.store.RoomListStore).isRequired
     },
 
     getInitialState: function() {
@@ -498,6 +633,22 @@ loop.panel = (function(_, mozL10n) {
       this.updateServiceErrors();
     },
 
+    /**
+     * The rooms feature is hidden by default for now. Once it gets mainstream,
+     * this method can be safely removed.
+     */
+    _renderRoomsTab: function() {
+      if (!navigator.mozLoop.getLoopBoolPref("rooms.enabled")) {
+        return null;
+      }
+      return (
+        Tab({name: "rooms"}, 
+          RoomList({dispatcher: this.props.dispatcher, 
+                    store: this.props.roomListStore})
+        )
+      );
+    },
+
     startForm: function(name, contact) {
       this.refs[name].initForm(contact);
       this.selectTab(name);
@@ -527,7 +678,8 @@ loop.panel = (function(_, mozL10n) {
         React.DOM.div(null, 
           NotificationListView({notifications: this.props.notifications, 
                                 clearOnDocumentHidden: true}), 
-          TabView({ref: "tabView", buttonsHidden: !this.state.userProfile && !this.props.showTabButtons}, 
+          TabView({ref: "tabView", selectedTab: this.props.selectedTab, 
+            buttonsHidden: !this.state.userProfile && !this.props.showTabButtons}, 
             Tab({name: "call"}, 
               React.DOM.div({className: "content-area"}, 
                 CallUrlResult({client: this.props.client, 
@@ -536,6 +688,7 @@ loop.panel = (function(_, mozL10n) {
                 ToSView(null)
               )
             ), 
+            this._renderRoomsTab(), 
             Tab({name: "contacts"}, 
               ContactsList({selectTab: this.selectTab, 
                             startForm: this.startForm})
@@ -575,11 +728,19 @@ loop.panel = (function(_, mozL10n) {
     mozL10n.initialize(navigator.mozLoop);
 
     var client = new loop.Client();
-    var notifications = new sharedModels.NotificationCollection()
+    var notifications = new sharedModels.NotificationCollection();
+    var dispatcher = new loop.Dispatcher();
+    var roomListStore = new loop.store.RoomListStore({
+      mozLoop: navigator.mozLoop,
+      dispatcher: dispatcher
+    });
 
     React.renderComponent(PanelView({
       client: client, 
-      notifications: notifications}), document.querySelector("#main"));
+      notifications: notifications, 
+      roomListStore: roomListStore, 
+      dispatcher: dispatcher}
+    ), document.querySelector("#main"));
 
     document.body.classList.add(loop.shared.utils.getTargetPlatform());
     document.body.setAttribute("dir", mozL10n.getDirection());
@@ -597,6 +758,7 @@ loop.panel = (function(_, mozL10n) {
     AvailabilityDropdown: AvailabilityDropdown,
     CallUrlResult: CallUrlResult,
     PanelView: PanelView,
+    RoomList: RoomList,
     SettingsDropdown: SettingsDropdown,
     ToSView: ToSView
   };
diff --git a/browser/components/loop/content/js/panel.jsx b/browser/components/loop/content/js/panel.jsx
index cd7c5a7b42f8..3fe901b6e450 100644
--- a/browser/components/loop/content/js/panel.jsx
+++ b/browser/components/loop/content/js/panel.jsx
@@ -14,6 +14,7 @@ loop.panel = (function(_, mozL10n) {
   var sharedViews = loop.shared.views;
   var sharedModels = loop.shared.models;
   var sharedMixins = loop.shared.mixins;
+  var sharedActions = loop.shared.actions;
   var Button = sharedViews.Button;
   var ButtonGroup = sharedViews.ButtonGroup;
   var ContactsList = loop.contacts.ContactsList;
@@ -21,12 +22,23 @@ loop.panel = (function(_, mozL10n) {
   var __ = mozL10n.get; // aliasing translation function as __ for concision
 
   var TabView = React.createClass({
-    getInitialState: function() {
+    propTypes: {
+      buttonsHidden: React.PropTypes.bool,
+      // The selectedTab prop is used by the UI showcase.
+      selectedTab: React.PropTypes.string
+    },
+
+    getDefaultProps: function() {
       return {
+        buttonsHidden: false,
         selectedTab: "call"
       };
     },
 
+    getInitialState: function() {
+      return {selectedTab: this.props.selectedTab};
+    },
+
     handleSelectTab: function(event) {
       var tabName = event.target.dataset.tabName;
       this.setState({selectedTab: tabName});
@@ -37,6 +49,10 @@ loop.panel = (function(_, mozL10n) {
       var tabButtons = [];
       var tabs = [];
       React.Children.forEach(this.props.children, function(tab, i) {
+        // Filter out null tabs (eg. rooms when the feature is disabled)
+        if (!tab) {
+          return;
+        }
         var tabName = tab.props.name;
         var isSelected = (this.state.selectedTab == tabName);
         if (!tab.props.hidden) {
@@ -442,6 +458,121 @@ loop.panel = (function(_, mozL10n) {
     }
   });
 
+  /**
+   * Room list entry.
+   */
+  var RoomEntry = React.createClass({
+    propTypes: {
+      openRoom: React.PropTypes.func.isRequired,
+      room:     React.PropTypes.instanceOf(loop.store.Room).isRequired
+    },
+
+    shouldComponentUpdate: function(nextProps, nextState) {
+      return nextProps.room.ctime > this.props.room.ctime;
+    },
+
+    handleClickRoom: function(event) {
+      event.preventDefault();
+      this.props.openRoom(this.props.room);
+    },
+
+    _isActive: function() {
+      // XXX bug 1074679 will implement this properly
+      return this.props.room.currSize > 0;
+    },
+
+    render: function() {
+      var room = this.props.room;
+      var roomClasses = React.addons.classSet({
+        "room-entry": true,
+        "room-active": this._isActive()
+      });
+
+      return (
+        <div className={roomClasses}>
+          <h2>
+            <span className="room-notification" />
+            {room.roomName}
+          </h2>
+          <p>
+            <a ref="room" href="#" onClick={this.handleClickRoom}>
+              {room.roomUrl}
+            </a>
+          </p>
+        </div>
+      );
+    }
+  });
+
+  /**
+   * Room list.
+   */
+  var RoomList = React.createClass({
+    mixins: [Backbone.Events],
+
+    propTypes: {
+      store: React.PropTypes.instanceOf(loop.store.RoomListStore).isRequired,
+      dispatcher: React.PropTypes.instanceOf(loop.Dispatcher).isRequired,
+      rooms: React.PropTypes.array
+    },
+
+    getInitialState: function() {
+      var storeState = this.props.store.getStoreState();
+      return {
+        error: this.props.error || storeState.error,
+        rooms: this.props.rooms || storeState.rooms,
+      };
+    },
+
+    componentWillMount: function() {
+      this.listenTo(this.props.store, "change", this._onRoomListChanged);
+
+      this.props.dispatcher.dispatch(new sharedActions.GetAllRooms());
+    },
+
+    componentWillUnmount: function() {
+      this.stopListening(this.props.store);
+    },
+
+    _onRoomListChanged: function() {
+      var storeState = this.props.store.getStoreState();
+      this.setState({
+        error: storeState.error,
+        rooms: storeState.rooms
+      });
+    },
+
+    _getListHeading: function() {
+      var numRooms = this.state.rooms.length;
+      if (numRooms === 0) {
+        return mozL10n.get("rooms_list_no_current_conversations");
+      }
+      return mozL10n.get("rooms_list_current_conversations", {num: numRooms});
+    },
+
+    openRoom: function(room) {
+      // XXX implement me; see bug 1074678
+    },
+
+    render: function() {
+      if (this.state.error) {
+        // XXX Better end user reporting of errors.
+        console.error(this.state.error);
+      }
+
+      return (
+        <div className="room-list">
+          <h1>{this._getListHeading()}</h1>
+          {
+            this.state.rooms.map(function(room, i) {
+              return <RoomEntry key={i} room={room} openRoom={this.openRoom} />;
+            }, this)
+          }
+        </div>
+      );
+    }
+  });
+
   /**
    * Panel view.
    */
@@ -453,6 +584,10 @@ loop.panel = (function(_, mozL10n) {
       callUrl: React.PropTypes.string,
       userProfile: React.PropTypes.object,
       showTabButtons: React.PropTypes.bool,
+      selectedTab: React.PropTypes.string,
+      dispatcher: React.PropTypes.instanceOf(loop.Dispatcher).isRequired,
+      roomListStore:
+        React.PropTypes.instanceOf(loop.store.RoomListStore).isRequired
     },
 
     getInitialState: function() {
@@ -498,6 +633,22 @@ loop.panel = (function(_, mozL10n) {
       this.updateServiceErrors();
     },
 
+    /**
+     * The rooms feature is hidden by default for now. Once it gets mainstream,
+     * this method can be safely removed.
+     */
+    _renderRoomsTab: function() {
+      if (!navigator.mozLoop.getLoopBoolPref("rooms.enabled")) {
+        return null;
+      }
+      return (
+        <Tab name="rooms">
+          <RoomList dispatcher={this.props.dispatcher}
+                    store={this.props.roomListStore} />
+        </Tab>
+      );
+    },
+
     startForm: function(name, contact) {
       this.refs[name].initForm(contact);
       this.selectTab(name);
@@ -527,7 +678,8 @@ loop.panel = (function(_, mozL10n) {
         <div>
           <NotificationListView notifications={this.props.notifications}
                                 clearOnDocumentHidden={true} />
-          <TabView ref="tabView" buttonsHidden={!this.state.userProfile && !this.props.showTabButtons}>
+          <TabView ref="tabView" selectedTab={this.props.selectedTab}
+            buttonsHidden={!this.state.userProfile && !this.props.showTabButtons}>
             <Tab name="call">
               <div className="content-area">
                 <CallUrlResult client={this.props.client}
@@ -536,6 +688,7 @@ loop.panel = (function(_, mozL10n) {
                 <ToSView />
               </div>
             </Tab>
+            {this._renderRoomsTab()}
             <Tab name="contacts">
               <ContactsList selectTab={this.selectTab}
                             startForm={this.startForm} />
@@ -575,11 +728,19 @@ loop.panel = (function(_, mozL10n) {
     mozL10n.initialize(navigator.mozLoop);
 
     var client = new loop.Client();
-    var notifications = new sharedModels.NotificationCollection()
+    var notifications = new sharedModels.NotificationCollection();
+    var dispatcher = new loop.Dispatcher();
+    var roomListStore = new loop.store.RoomListStore({
+      mozLoop: navigator.mozLoop,
+      dispatcher: dispatcher
+    });
 
     React.renderComponent(<PanelView
       client={client}
-      notifications={notifications} />, document.querySelector("#main"));
+      notifications={notifications}
+      roomListStore={roomListStore}
+      dispatcher={dispatcher}
+    />, document.querySelector("#main"));
 
     document.body.classList.add(loop.shared.utils.getTargetPlatform());
     document.body.setAttribute("dir", mozL10n.getDirection());
@@ -597,6 +758,7 @@ loop.panel = (function(_, mozL10n) {
     AvailabilityDropdown: AvailabilityDropdown,
     CallUrlResult: CallUrlResult,
     PanelView: PanelView,
+    RoomList: RoomList,
     SettingsDropdown: SettingsDropdown,
     ToSView: ToSView
   };
diff --git a/browser/components/loop/content/panel.html b/browser/components/loop/content/panel.html
index b169ace11226..2e19a2c9a834 100644
--- a/browser/components/loop/content/panel.html
+++ b/browser/components/loop/content/panel.html
@@ -25,6 +25,10 @@
     <script type="text/javascript" src="loop/shared/js/models.js"></script>
     <script type="text/javascript" src="loop/shared/js/mixins.js"></script>
     <script type="text/javascript" src="loop/shared/js/views.js"></script>
+    <script type="text/javascript" src="loop/shared/js/validate.js"></script>
+    <script type="text/javascript" src="loop/shared/js/actions.js"></script>
+    <script type="text/javascript" src="loop/shared/js/dispatcher.js"></script>
+    <script type="text/javascript" src="loop/shared/js/roomListStore.js"></script>
     <script type="text/javascript" src="loop/js/client.js"></script>
     <script type="text/javascript;version=1.8" src="loop/js/contacts.js"></script>
     <script type="text/javascript" src="loop/js/panel.js"></script>
diff --git a/browser/components/loop/content/shared/css/panel.css b/browser/components/loop/content/shared/css/panel.css
index 2e4a90bbd3aa..0ee995a7f491 100644
--- a/browser/components/loop/content/shared/css/panel.css
+++ b/browser/components/loop/content/shared/css/panel.css
@@ -123,6 +123,70 @@ body {
   box-shadow: 0 0 4px #c43c3e;
 }
 
+/* Rooms */
+.room-list {
+  background: #f5f5f5;
+}
+
+.room-list > h1 {
+  font-weight: bold;
+  color: #999;
+  padding: .5rem 1rem;
+  border-bottom: 1px solid #ddd;
+}
+
+.room-list > .room-entry {
+  padding: 1rem 1rem 0 .5rem;
+}
+
+.room-list > .room-entry > h2 {
+  font-size: .85rem;
+  color: #777;
+}
+
+.room-list > .room-entry.room-active > h2 {
+  font-weight: bold;
+  color: #000;
+}
+
+.room-list > .room-entry > h2 > .room-notification {
+  display: inline-block;
+  background: transparent;
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  margin-right: .3rem;
+}
+
+.room-list > .room-entry.room-active > h2 > .room-notification {
+  background-color: #00a0ec;
+}
+
+.room-list > .room-entry:hover {
+  background: #f1f1f1;
+}
+
+.room-list > .room-entry:not(:last-child) {
+  border-bottom: 1px solid #ddd;
+}
+
+.room-list > .room-entry > p {
+  margin: 0;
+  padding: .2em 0 1rem .8rem;
+}
+
+.room-list > .room-entry > p > a {
+  color: #777;
+  opacity: .5;
+  transition: opacity .1s ease-in-out 0s;
+  text-decoration: none;
+}
+
+.room-list > .room-entry > p > a:hover {
+  opacity: 1;
+  text-decoration: underline;
+}
+
 /* Buttons */
 
 .button-group {
diff --git a/browser/components/loop/content/shared/js/actions.js b/browser/components/loop/content/shared/js/actions.js
index ca2525a653ce..b77f65d6e6ec 100644
--- a/browser/components/loop/content/shared/js/actions.js
+++ b/browser/components/loop/content/shared/js/actions.js
@@ -118,6 +118,13 @@ loop.shared.actions = (function() {
       type: String,
       // Whether or not to enable the stream.
       enabled: Boolean
+    }),
+
+    /**
+     * Retrieves room list.
+     * XXX: should move to some roomActions module - refs bug 1079284
+     */
+    GetAllRooms: Action.define("getAllRooms", {
     })
   };
 })();
diff --git a/browser/components/loop/content/shared/js/conversationStore.js b/browser/components/loop/content/shared/js/conversationStore.js
index 9b4049fa73a3..2551e74af26e 100644
--- a/browser/components/loop/content/shared/js/conversationStore.js
+++ b/browser/components/loop/content/shared/js/conversationStore.js
@@ -5,8 +5,9 @@
 /* global loop:true */
 
 var loop = loop || {};
-loop.store = (function() {
+loop.store = loop.store || {};
 
+loop.store.ConversationStore = (function() {
   var sharedActions = loop.shared.actions;
   var CALL_TYPES = loop.shared.utils.CALL_TYPES;
 
@@ -14,7 +15,7 @@ loop.store = (function() {
    * Websocket states taken from:
    * https://docs.services.mozilla.com/loop/apis.html#call-progress-state-change-progress
    */
-  var WS_STATES = {
+  var WS_STATES = loop.store.WS_STATES = {
     // The call is starting, and the remote party is not yet being alerted.
     INIT: "init",
     // The called party is being alerted.
@@ -31,7 +32,7 @@ loop.store = (function() {
     CONNECTED: "connected"
   };
 
-  var CALL_STATES = {
+  var CALL_STATES = loop.store.CALL_STATES = {
     // The initial state of the view.
     INIT: "cs-init",
     // The store is gathering the call data from the server.
@@ -52,7 +53,6 @@ loop.store = (function() {
     TERMINATED: "cs-terminated"
   };
 
-
   var ConversationStore = Backbone.Model.extend({
     defaults: {
       // The current state of the call
@@ -402,9 +402,5 @@ loop.store = (function() {
     }
   });
 
-  return {
-    CALL_STATES: CALL_STATES,
-    ConversationStore: ConversationStore,
-    WS_STATES: WS_STATES
-  };
+  return ConversationStore;
 })();
diff --git a/browser/components/loop/content/shared/js/roomListStore.js b/browser/components/loop/content/shared/js/roomListStore.js
new file mode 100644
index 000000000000..2871f630d3cf
--- /dev/null
+++ b/browser/components/loop/content/shared/js/roomListStore.js
@@ -0,0 +1,171 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* global loop:true */
+
+var loop = loop || {};
+loop.store = loop.store || {};
+
+(function() {
+  "use strict";
+
+  /**
+   * Room validation schema. See validate.js.
+   * @type {Object}
+   */
+  var roomSchema = {
+    roomToken: String,
+    roomUrl:   String,
+    roomName:  String,
+    maxSize:   Number,
+    currSize:  Number,
+    ctime:     Number
+  };
+
+  /**
+   * Temporary sample raw room list data.
+   * XXX Should be removed when we plug the real mozLoop API for rooms.
+   *     See bug 1074664.
+   * @type {Array}
+   */
+  var temporaryRawRoomList = [{
+    roomToken: "_nxD4V4FflQ",
+    roomUrl: "http://sample/_nxD4V4FflQ",
+    roomName: "First Room Name",
+    maxSize: 2,
+    currSize: 0,
+    ctime: 1405517546
+  }, {
+    roomToken: "QzBbvGmIZWU",
+    roomUrl: "http://sample/QzBbvGmIZWU",
+    roomName: "Second Room Name",
+    maxSize: 2,
+    currSize: 0,
+    ctime: 1405517418
+  }, {
+    roomToken: "3jKS_Els9IU",
+    roomUrl: "http://sample/3jKS_Els9IU",
+    roomName: "Third Room Name",
+    maxSize: 3,
+    clientMaxSize: 2,
+    currSize: 1,
+    ctime: 1405518241
+  }];
+
+  /**
+   * Room type. Basically acts as a typed object constructor.
+   *
+   * @param {Object} values Room property values.
+   */
+  function Room(values) {
+    var validatedData = new loop.validate.Validator(roomSchema || {})
+                                         .validate(values || {});
+    for (var prop in validatedData) {
+      this[prop] = validatedData[prop];
+    }
+  }
+
+  loop.store.Room = Room;
+
+  /**
+   * Room store.
+   *
+   * Options:
+   * - {loop.Dispatcher} dispatcher The dispatcher for dispatching actions and
+   *                                registering to consume actions.
+   * - {mozLoop}         mozLoop    The MozLoop API object.
+   *
+   * @extends {Backbone.Events}
+   * @param {Object} options Options object.
+   */
+  function RoomListStore(options) {
+    options = options || {};
+    this.storeState = {error: null, rooms: []};
+
+    if (!options.dispatcher) {
+      throw new Error("Missing option dispatcher");
+    }
+    this.dispatcher = options.dispatcher;
+
+    if (!options.mozLoop) {
+      throw new Error("Missing option mozLoop");
+    }
+    this.mozLoop = options.mozLoop;
+
+    this.dispatcher.register(this, [
+      "getAllRooms",
+      "openRoom"
+    ]);
+  }
+
+  RoomListStore.prototype = _.extend({
+    /**
+     * Retrieves current store state.
+     *
+     * @return {Object}
+     */
+    getStoreState: function() {
+      return this.storeState;
+    },
+
+    /**
+     * Updates store states and trigger a "change" event.
+     *
+     * @param {Object} state The new store state.
+     */
+    setStoreState: function(state) {
+      this.storeState = state;
+      this.trigger("change");
+    },
+
+    /**
+     * Proxy to navigator.mozLoop.rooms.getAll.
+     * XXX Could probably be removed when bug 1074664 lands.
+     *
+     * @param  {Function} cb Callback(error, roomList)
+     */
+    _fetchRoomList: function(cb) {
+      // Faking this.mozLoop.rooms until it's available; bug 1074664.
+      if (!this.mozLoop.hasOwnProperty("rooms")) {
+        cb(null, temporaryRawRoomList);
+        return;
+      }
+      this.mozLoop.rooms.getAll(cb);
+    },
+
+    /**
+     * Maps and sorts the raw room list received from the mozLoop API.
+     *
+     * @param  {Array} rawRoomList Raw room list.
+     * @return {Array}
+     */
+    _processRawRoomList: function(rawRoomList) {
+      if (!rawRoomList) {
+        return [];
+      }
+      return rawRoomList
+        .map(function(rawRoom) {
+          return new Room(rawRoom);
+        })
+        .slice()
+        .sort(function(a, b) {
+          return b.ctime - a.ctime;
+        });
+    },
+
+    /**
+     * Gather the list of all available rooms from the MozLoop API.
+     */
+    getAllRooms: function() {
+      this._fetchRoomList(function(err, rawRoomList) {
+        this.setStoreState({
+          error: err,
+          rooms: this._processRawRoomList(rawRoomList)
+        });
+      }.bind(this));
+    }
+  }, Backbone.Events);
+
+  loop.store.RoomListStore = RoomListStore;
+})();
diff --git a/browser/components/loop/jar.mn b/browser/components/loop/jar.mn
index 53838e4b9039..635d85708949 100644
--- a/browser/components/loop/jar.mn
+++ b/browser/components/loop/jar.mn
@@ -55,6 +55,7 @@ browser.jar:
   # Shared scripts
   content/browser/loop/shared/js/actions.js           (content/shared/js/actions.js)
   content/browser/loop/shared/js/conversationStore.js (content/shared/js/conversationStore.js)
+  content/browser/loop/shared/js/roomListStore.js     (content/shared/js/roomListStore.js)
   content/browser/loop/shared/js/dispatcher.js        (content/shared/js/dispatcher.js)
   content/browser/loop/shared/js/feedbackApiClient.js (content/shared/js/feedbackApiClient.js)
   content/browser/loop/shared/js/models.js            (content/shared/js/models.js)
diff --git a/browser/components/loop/test/desktop-local/index.html b/browser/components/loop/test/desktop-local/index.html
index c7618e26bf72..ef710643e3fb 100644
--- a/browser/components/loop/test/desktop-local/index.html
+++ b/browser/components/loop/test/desktop-local/index.html
@@ -43,6 +43,7 @@
   <script src="../../content/shared/js/validate.js"></script>
   <script src="../../content/shared/js/dispatcher.js"></script>
   <script src="../../content/shared/js/otSdkDriver.js"></script>
+  <script src="../../content/shared/js/roomListStore.js"></script>
   <script src="../../content/js/client.js"></script>
   <script src="../../content/js/conversationViews.js"></script>
   <script src="../../content/js/conversation.js"></script>
diff --git a/browser/components/loop/test/desktop-local/panel_test.js b/browser/components/loop/test/desktop-local/panel_test.js
index dc5355f356a6..d37dc1f28211 100644
--- a/browser/components/loop/test/desktop-local/panel_test.js
+++ b/browser/components/loop/test/desktop-local/panel_test.js
@@ -7,13 +7,14 @@
 
 var expect = chai.expect;
 var TestUtils = React.addons.TestUtils;
+var sharedActions = loop.shared.actions;
 
 describe("loop.panel", function() {
   "use strict";
 
   var sandbox, notifications, fakeXHR, requests = [];
 
-  beforeEach(function() {
+  beforeEach(function(done) {
     sandbox = sinon.sandbox.create();
     fakeXHR = sandbox.useFakeXMLHttpRequest();
     requests = [];
@@ -32,8 +33,12 @@ describe("loop.panel", function() {
       get locale() {
         return "en-US";
       },
+      getLoopBoolPref: sandbox.stub(),
       setLoopCharPref: sandbox.stub(),
       getLoopCharPref: sandbox.stub().returns("unseen"),
+      getPluralForm: function() {
+        return "fakeText";
+      },
       copyString: sandbox.stub(),
       noteCallUrlExpiry: sinon.spy(),
       composeEmail: sinon.spy(),
@@ -47,6 +52,8 @@ describe("loop.panel", function() {
     };
 
     document.mozL10n.initialize(navigator.mozLoop);
+    // XXX prevent a race whenever mozL10n hasn't been initialized yet
+    setTimeout(done, 0);
   });
 
   afterEach(function() {
@@ -126,7 +133,7 @@ describe("loop.panel", function() {
   });
 
   describe("loop.panel.PanelView", function() {
-    var fakeClient, callUrlData, view, callTab, contactsTab;
+    var fakeClient, dispatcher, roomListStore, callUrlData;
 
     beforeEach(function() {
       callUrlData = {
@@ -140,31 +147,94 @@ describe("loop.panel", function() {
         }
       };
 
-      view = TestUtils.renderIntoDocument(loop.panel.PanelView({
+      dispatcher = new loop.Dispatcher();
+      roomListStore = new loop.store.RoomListStore({
+        dispatcher: dispatcher,
+        mozLoop: navigator.mozLoop
+      });
+    });
+
+    function createTestPanelView() {
+      return TestUtils.renderIntoDocument(loop.panel.PanelView({
         notifications: notifications,
         client: fakeClient,
         showTabButtons: true,
+        dispatcher: dispatcher,
+        roomListStore: roomListStore
       }));
-
-      [callTab, contactsTab] =
-        TestUtils.scryRenderedDOMComponentsWithClass(view, "tab");
-    });
+    }
 
     describe('TabView', function() {
-      it("should select contacts tab when clicking tab button", function() {
-        TestUtils.Simulate.click(
-          view.getDOMNode().querySelector('li[data-tab-name="contacts"]'));
+      var view, callTab, roomsTab, contactsTab;
 
-        expect(contactsTab.getDOMNode().classList.contains("selected"))
-          .to.be.true;
+      describe("loop.rooms.enabled on", function() {
+        beforeEach(function() {
+          navigator.mozLoop.getLoopBoolPref = function(pref) {
+            if (pref === "rooms.enabled") {
+              return true;
+            }
+          };
+
+          view = createTestPanelView();
+
+          [callTab, roomsTab, contactsTab] =
+            TestUtils.scryRenderedDOMComponentsWithClass(view, "tab");
+        });
+
+        it("should select contacts tab when clicking tab button", function() {
+          TestUtils.Simulate.click(
+            view.getDOMNode().querySelector("li[data-tab-name=\"contacts\"]"));
+
+          expect(contactsTab.getDOMNode().classList.contains("selected"))
+            .to.be.true;
+        });
+
+        it("should select rooms tab when clicking tab button", function() {
+          TestUtils.Simulate.click(
+            view.getDOMNode().querySelector("li[data-tab-name=\"rooms\"]"));
+
+          expect(roomsTab.getDOMNode().classList.contains("selected"))
+            .to.be.true;
+        });
+
+        it("should select call tab when clicking tab button", function() {
+          TestUtils.Simulate.click(
+            view.getDOMNode().querySelector("li[data-tab-name=\"call\"]"));
+
+          expect(callTab.getDOMNode().classList.contains("selected"))
+            .to.be.true;
+        });
       });
 
-      it("should select call tab when clicking tab button", function() {
-        TestUtils.Simulate.click(
-          view.getDOMNode().querySelector('li[data-tab-name="call"]'));
+      describe("loop.rooms.enabled off", function() {
+        beforeEach(function() {
+          navigator.mozLoop.getLoopBoolPref = function(pref) {
+            if (pref === "rooms.enabled") {
+              return false;
+            }
+          };
 
-        expect(callTab.getDOMNode().classList.contains("selected"))
-          .to.be.true;
+          view = createTestPanelView();
+
+          [callTab, contactsTab] =
+            TestUtils.scryRenderedDOMComponentsWithClass(view, "tab");
+        });
+
+        it("should select contacts tab when clicking tab button", function() {
+          TestUtils.Simulate.click(
+            view.getDOMNode().querySelector("li[data-tab-name=\"contacts\"]"));
+
+          expect(contactsTab.getDOMNode().classList.contains("selected"))
+            .to.be.true;
+        });
+
+        it("should select call tab when clicking tab button", function() {
+          TestUtils.Simulate.click(
+            view.getDOMNode().querySelector("li[data-tab-name=\"call\"]"));
+
+          expect(callTab.getDOMNode().classList.contains("selected"))
+            .to.be.true;
+        });
       });
     });
 
@@ -174,6 +244,8 @@ describe("loop.panel", function() {
           navigator.mozLoop.loggedInToFxA = false;
           navigator.mozLoop.logInToFxA = sandbox.stub();
 
+          var view = createTestPanelView();
+
           TestUtils.Simulate.click(
             view.getDOMNode().querySelector(".signin-link a"));
 
@@ -193,8 +265,6 @@ describe("loop.panel", function() {
     });
 
     describe("SettingsDropdown", function() {
-      var view;
-
       beforeEach(function() {
         navigator.mozLoop.logInToFxA = sandbox.stub();
         navigator.mozLoop.logOutFromFxA = sandbox.stub();
@@ -288,6 +358,8 @@ describe("loop.panel", function() {
 
     describe("#render", function() {
       it("should render a ToSView", function() {
+        var view = createTestPanelView();
+
         TestUtils.findRenderedComponentWithType(view, loop.panel.ToSView);
       });
     });
@@ -550,6 +622,34 @@ describe("loop.panel", function() {
     });
   });
 
+  describe("loop.panel.RoomList", function() {
+    var roomListStore, dispatcher;
+
+    beforeEach(function() {
+      dispatcher = new loop.Dispatcher();
+      roomListStore = new loop.store.RoomListStore({
+        dispatcher: dispatcher,
+        mozLoop: navigator.mozLoop
+      });
+    });
+
+    function createTestComponent() {
+      return TestUtils.renderIntoDocument(loop.panel.RoomList({
+        store: roomListStore,
+        dispatcher: dispatcher
+      }));
+    }
+
+    it("should dispatch a GetAllRooms action on mount", function() {
+      var dispatch = sandbox.stub(dispatcher, "dispatch");
+
+      createTestComponent();
+
+      sinon.assert.calledOnce(dispatch);
+      sinon.assert.calledWithExactly(dispatch, new sharedActions.GetAllRooms());
+    });
+  });
+
   describe('loop.panel.ToSView', function() {
 
     it("should render when the value of loop.seenToS is not set", function() {
diff --git a/browser/components/loop/test/functional/test_1_browser_call.py b/browser/components/loop/test/functional/test_1_browser_call.py
index 952e4da3a789..06f610caf8a4 100644
--- a/browser/components/loop/test/functional/test_1_browser_call.py
+++ b/browser/components/loop/test/functional/test_1_browser_call.py
@@ -131,12 +131,12 @@ class Test1BrowserCall(MarionetteTestCase):
         self.marionette.set_context("chrome")
         button = self.marionette.find_element(By.CLASS_NAME, "btn-hangup")
 
-        # XXX For whatever reason, the click doesn't take effect unless we
-        # wait for a bit (even if we wait for the element to actually be
-        # displayed first, which we're not currently bothering with).  It's
-        # not entirely clear whether the click is being delivered in this case,
-        # or whether there's a Marionette bug here.
-        sleep(2)
+        # XXX bug 1080095 For whatever reason, the click doesn't take effect
+        # unless we wait for a bit (even if we wait for the element to
+        # actually be displayed first, which we're not currently bothering
+        # with).  It's not entirely clear whether the click is being
+        # delivered in this case, or whether there's a Marionette bug here.
+        sleep(5)
         button.click()
 
         # check that the feedback form is displayed
diff --git a/browser/components/loop/test/shared/index.html b/browser/components/loop/test/shared/index.html
index f11056db7445..28d29aa1371e 100644
--- a/browser/components/loop/test/shared/index.html
+++ b/browser/components/loop/test/shared/index.html
@@ -44,6 +44,7 @@
   <script src="../../content/shared/js/dispatcher.js"></script>
   <script src="../../content/shared/js/otSdkDriver.js"></script>
   <script src="../../content/shared/js/conversationStore.js"></script>
+  <script src="../../content/shared/js/roomListStore.js"></script>
 
   <!-- Test scripts -->
   <script src="models_test.js"></script>
@@ -56,6 +57,7 @@
   <script src="dispatcher_test.js"></script>
   <script src="conversationStore_test.js"></script>
   <script src="otSdkDriver_test.js"></script>
+  <script src="roomListStore_test.js"></script>
   <script>
     mocha.run(function () {
       $("#mocha").append("<p id='complete'>Complete.</p>");
diff --git a/browser/components/loop/test/shared/roomListStore_test.js b/browser/components/loop/test/shared/roomListStore_test.js
new file mode 100644
index 000000000000..d2e60de83b7c
--- /dev/null
+++ b/browser/components/loop/test/shared/roomListStore_test.js
@@ -0,0 +1,130 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+var expect = chai.expect;
+
+describe("loop.store.Room", function () {
+  "use strict";
+  describe("#constructor", function() {
+    it("should validate room values", function() {
+      expect(function() {
+        new loop.store.Room();
+      }).to.Throw(Error, /missing required/);
+    });
+  });
+});
+
+describe("loop.store.RoomListStore", function () {
+  "use strict";
+
+  var sharedActions = loop.shared.actions;
+  var sandbox, dispatcher;
+
+  beforeEach(function() {
+    sandbox = sinon.sandbox.create();
+    dispatcher = new loop.Dispatcher();
+  });
+
+  afterEach(function() {
+    sandbox.restore();
+  });
+
+  describe("#constructor", function() {
+    it("should throw an error if the dispatcher is missing", function() {
+      expect(function() {
+        new loop.store.RoomListStore({mozLoop: {}});
+      }).to.Throw(/dispatcher/);
+    });
+
+    it("should throw an error if mozLoop is missing", function() {
+      expect(function() {
+        new loop.store.RoomListStore({dispatcher: dispatcher});
+      }).to.Throw(/mozLoop/);
+    });
+  });
+
+  describe("#getAllRooms", function() {
+    var store, fakeMozLoop;
+    var fakeRoomList = [{
+      roomToken: "_nxD4V4FflQ",
+      roomUrl: "http://sample/_nxD4V4FflQ",
+      roomName: "First Room Name",
+      maxSize: 2,
+      currSize: 0,
+      ctime: 1405517546
+    }, {
+      roomToken: "QzBbvGmIZWU",
+      roomUrl: "http://sample/QzBbvGmIZWU",
+      roomName: "Second Room Name",
+      maxSize: 2,
+      currSize: 0,
+      ctime: 1405517418
+    }, {
+      roomToken: "3jKS_Els9IU",
+      roomUrl: "http://sample/3jKS_Els9IU",
+      roomName: "Third Room Name",
+      maxSize: 3,
+      clientMaxSize: 2,
+      currSize: 1,
+      ctime: 1405518241
+    }];
+
+    beforeEach(function() {
+      fakeMozLoop = {
+        rooms: {
+          getAll: function(cb) {
+            cb(null, fakeRoomList);
+          }
+        }
+      };
+      store = new loop.store.RoomListStore({
+        dispatcher: dispatcher,
+        mozLoop: fakeMozLoop
+      });
+    });
+
+    it("should trigger a list:changed event", function(done) {
+      store.on("change", function() {
+        done();
+      });
+
+      dispatcher.dispatch(new sharedActions.GetAllRooms());
+    });
+
+    it("should fetch the room list from the mozLoop API", function(done) {
+      store.once("change", function() {
+        expect(store.getStoreState().error).to.be.a.null;
+        expect(store.getStoreState().rooms).to.have.length.of(3);
+        done();
+      });
+
+      dispatcher.dispatch(new sharedActions.GetAllRooms());
+    });
+
+    it("should order the room list using ctime desc", function(done) {
+      store.once("change", function() {
+        var storeState = store.getStoreState();
+        expect(storeState.error).to.be.a.null;
+        expect(storeState.rooms[0].ctime).eql(1405518241);
+        expect(storeState.rooms[1].ctime).eql(1405517546);
+        expect(storeState.rooms[2].ctime).eql(1405517418);
+        done();
+      });
+
+      dispatcher.dispatch(new sharedActions.GetAllRooms());
+    });
+
+    it("should report an error", function() {
+      fakeMozLoop.rooms.getAll = function(cb) {
+        cb("fakeError");
+      };
+
+      store.once("change", function() {
+        var storeState = store.getStoreState();
+        expect(storeState.error).eql("fakeError");
+      });
+
+      dispatcher.dispatch(new sharedActions.GetAllRooms());
+    });
+  });
+});
diff --git a/browser/components/loop/ui/fake-mozLoop.js b/browser/components/loop/ui/fake-mozLoop.js
index 722a6cb8c5d4..0e17a471d6be 100644
--- a/browser/components/loop/ui/fake-mozLoop.js
+++ b/browser/components/loop/ui/fake-mozLoop.js
@@ -9,7 +9,12 @@
 navigator.mozLoop = {
   ensureRegistered: function() {},
   getLoopCharPref: function() {},
-  getLoopBoolPref: function() {},
+  getLoopBoolPref: function(pref) {
+    // Ensure UI for rooms is displayed in the showcase.
+    if (pref === "rooms.enabled") {
+      return true;
+    }
+  },
   releaseCallData: function() {},
   contacts: {
     getAll: function(callback) {
diff --git a/browser/components/loop/ui/index.html b/browser/components/loop/ui/index.html
index 6061c547f908..a412785349ae 100644
--- a/browser/components/loop/ui/index.html
+++ b/browser/components/loop/ui/index.html
@@ -38,7 +38,10 @@
     <script src="../content/shared/js/mixins.js"></script>
     <script src="../content/shared/js/views.js"></script>
     <script src="../content/shared/js/websocket.js"></script>
+    <script src="../content/shared/js/validate.js"></script>
+    <script src="../content/shared/js/dispatcher.js"></script>
     <script src="../content/shared/js/conversationStore.js"></script>
+    <script src="../content/shared/js/roomListStore.js"></script>
     <script src="../content/js/conversationViews.js"></script>
     <script src="../content/js/client.js"></script>
     <script src="../standalone/content/js/webapp.js"></script>
diff --git a/browser/components/loop/ui/ui-showcase.css b/browser/components/loop/ui/ui-showcase.css
index fc77da4da2ef..4f56411d5498 100644
--- a/browser/components/loop/ui/ui-showcase.css
+++ b/browser/components/loop/ui/ui-showcase.css
@@ -69,9 +69,16 @@
   font-weight: bold;
   border-bottom: 1px dashed #aaa;
   margin: 1em 0;
+  margin-top: -14em;
+  padding-top: 14em;
   text-align: left;
 }
 
+.showcase > section .example > h3 a {
+  text-decoration: none;
+  color: #555;
+}
+
 .showcase p.note {
   margin: 0;
   padding: 0;
diff --git a/browser/components/loop/ui/ui-showcase.js b/browser/components/loop/ui/ui-showcase.js
index 086877789721..68fc3ec258e3 100644
--- a/browser/components/loop/ui/ui-showcase.js
+++ b/browser/components/loop/ui/ui-showcase.js
@@ -56,6 +56,12 @@
     }
   );
 
+  var dispatcher = new loop.Dispatcher();
+  var roomListStore = new loop.store.RoomListStore({
+    dispatcher: dispatcher,
+    mozLoop: {}
+  });
+
   // Local mocks
 
   var mockContact = {
@@ -93,11 +99,18 @@
   });
 
   var Example = React.createClass({displayName: 'Example',
+    makeId: function(prefix) {
+      return (prefix || "") + this.props.summary.toLowerCase().replace(/\s/g, "-");
+    },
+
     render: function() {
       var cx = React.addons.classSet;
       return (
         React.DOM.div({className: "example"}, 
-          React.DOM.h3(null, this.props.summary), 
+          React.DOM.h3({id: this.makeId()}, 
+            this.props.summary, 
+            React.DOM.a({href: this.makeId("#")}, " ¶")
+          ), 
           React.DOM.div({className: cx({comp: true, dashed: this.props.dashed}), 
                style: this.props.style || {}}, 
             this.props.children
@@ -150,26 +163,45 @@
             ), 
             Example({summary: "Call URL retrieved", dashed: "true", style: {width: "332px"}}, 
               PanelView({client: mockClient, notifications: notifications, 
-                         callUrl: "http://invalid.example.url/"})
+                         callUrl: "http://invalid.example.url/", 
+                         dispatcher: dispatcher, 
+                         roomListStore: roomListStore})
             ), 
             Example({summary: "Call URL retrieved - authenticated", dashed: "true", style: {width: "332px"}}, 
               PanelView({client: mockClient, notifications: notifications, 
                          callUrl: "http://invalid.example.url/", 
-                         userProfile: {email: "test@example.com"}})
+                         userProfile: {email: "test@example.com"}, 
+                         dispatcher: dispatcher, 
+                         roomListStore: roomListStore})
             ), 
             Example({summary: "Pending call url retrieval", dashed: "true", style: {width: "332px"}}, 
-              PanelView({client: mockClient, notifications: notifications})
+              PanelView({client: mockClient, notifications: notifications, 
+                         dispatcher: dispatcher, 
+                         roomListStore: roomListStore})
             ), 
             Example({summary: "Pending call url retrieval - authenticated", dashed: "true", style: {width: "332px"}}, 
               PanelView({client: mockClient, notifications: notifications, 
-                         userProfile: {email: "test@example.com"}})
+                         userProfile: {email: "test@example.com"}, 
+                         dispatcher: dispatcher, 
+                         roomListStore: roomListStore})
             ), 
             Example({summary: "Error Notification", dashed: "true", style: {width: "332px"}}, 
-              PanelView({client: mockClient, notifications: errNotifications})
+              PanelView({client: mockClient, notifications: errNotifications, 
+                         dispatcher: dispatcher, 
+                         roomListStore: roomListStore})
             ), 
             Example({summary: "Error Notification - authenticated", dashed: "true", style: {width: "332px"}}, 
               PanelView({client: mockClient, notifications: errNotifications, 
-                         userProfile: {email: "test@example.com"}})
+                         userProfile: {email: "test@example.com"}, 
+                         dispatcher: dispatcher, 
+                         roomListStore: roomListStore})
+            ), 
+            Example({summary: "Room list tab", dashed: "true", style: {width: "332px"}}, 
+              PanelView({client: mockClient, notifications: notifications, 
+                         userProfile: {email: "test@example.com"}, 
+                         dispatcher: dispatcher, 
+                         roomListStore: roomListStore, 
+                         selectedTab: "rooms"})
             )
           ), 
 
@@ -247,12 +279,15 @@
           Section({name: "PendingConversationView"}, 
             Example({summary: "Pending conversation view (connecting)", dashed: "true"}, 
               React.DOM.div({className: "standalone"}, 
-                PendingConversationView({websocket: mockWebSocket})
+                PendingConversationView({websocket: mockWebSocket, 
+                                         dispatcher: dispatcher})
               )
             ), 
             Example({summary: "Pending conversation view (ringing)", dashed: "true"}, 
               React.DOM.div({className: "standalone"}, 
-                PendingConversationView({websocket: mockWebSocket, callState: "ringing"})
+                PendingConversationView({websocket: mockWebSocket, 
+                                         dispatcher: dispatcher, 
+                                         callState: "ringing"})
               )
             )
           ), 
@@ -262,7 +297,8 @@
                      style: {width: "260px", height: "265px"}}, 
               React.DOM.div({className: "fx-embedded"}, 
                 DesktopPendingConversationView({callState: "gather", 
-                                                contact: mockContact})
+                                                contact: mockContact, 
+                                                dispatcher: dispatcher})
               )
             )
           ), 
@@ -271,7 +307,7 @@
             Example({summary: "Call Failed", dashed: "true", 
                      style: {width: "260px", height: "265px"}}, 
               React.DOM.div({className: "fx-embedded"}, 
-                CallFailedView(null)
+                CallFailedView({dispatcher: dispatcher})
               )
             )
           ), 
diff --git a/browser/components/loop/ui/ui-showcase.jsx b/browser/components/loop/ui/ui-showcase.jsx
index 21216a8d1449..f642005c3a5d 100644
--- a/browser/components/loop/ui/ui-showcase.jsx
+++ b/browser/components/loop/ui/ui-showcase.jsx
@@ -56,6 +56,12 @@
     }
   );
 
+  var dispatcher = new loop.Dispatcher();
+  var roomListStore = new loop.store.RoomListStore({
+    dispatcher: dispatcher,
+    mozLoop: {}
+  });
+
   // Local mocks
 
   var mockContact = {
@@ -93,11 +99,18 @@
   });
 
   var Example = React.createClass({
+    makeId: function(prefix) {
+      return (prefix || "") + this.props.summary.toLowerCase().replace(/\s/g, "-");
+    },
+
     render: function() {
       var cx = React.addons.classSet;
       return (
         <div className="example">
-          <h3>{this.props.summary}</h3>
+          <h3 id={this.makeId()}>
+            {this.props.summary}
+            <a href={this.makeId("#")}>&nbsp;¶</a>
+          </h3>
           <div className={cx({comp: true, dashed: this.props.dashed})}
                style={this.props.style || {}}>
             {this.props.children}
@@ -150,26 +163,45 @@
             </p>
             <Example summary="Call URL retrieved" dashed="true" style={{width: "332px"}}>
               <PanelView client={mockClient} notifications={notifications}
-                         callUrl="http://invalid.example.url/" />
+                         callUrl="http://invalid.example.url/"
+                         dispatcher={dispatcher}
+                         roomListStore={roomListStore} />
             </Example>
             <Example summary="Call URL retrieved - authenticated" dashed="true" style={{width: "332px"}}>
               <PanelView client={mockClient} notifications={notifications}
                          callUrl="http://invalid.example.url/"
-                         userProfile={{email: "test@example.com"}} />
+                         userProfile={{email: "test@example.com"}}
+                         dispatcher={dispatcher}
+                         roomListStore={roomListStore} />
             </Example>
             <Example summary="Pending call url retrieval" dashed="true" style={{width: "332px"}}>
-              <PanelView client={mockClient} notifications={notifications} />
+              <PanelView client={mockClient} notifications={notifications}
+                         dispatcher={dispatcher}
+                         roomListStore={roomListStore} />
             </Example>
             <Example summary="Pending call url retrieval - authenticated" dashed="true" style={{width: "332px"}}>
               <PanelView client={mockClient} notifications={notifications}
-                         userProfile={{email: "test@example.com"}} />
+                         userProfile={{email: "test@example.com"}}
+                         dispatcher={dispatcher}
+                         roomListStore={roomListStore} />
             </Example>
             <Example summary="Error Notification" dashed="true" style={{width: "332px"}}>
-              <PanelView client={mockClient} notifications={errNotifications}/>
+              <PanelView client={mockClient} notifications={errNotifications}
+                         dispatcher={dispatcher}
+                         roomListStore={roomListStore} />
             </Example>
             <Example summary="Error Notification - authenticated" dashed="true" style={{width: "332px"}}>
               <PanelView client={mockClient} notifications={errNotifications}
-                         userProfile={{email: "test@example.com"}} />
+                         userProfile={{email: "test@example.com"}}
+                         dispatcher={dispatcher}
+                         roomListStore={roomListStore} />
+            </Example>
+            <Example summary="Room list tab" dashed="true" style={{width: "332px"}}>
+              <PanelView client={mockClient} notifications={notifications}
+                         userProfile={{email: "test@example.com"}}
+                         dispatcher={dispatcher}
+                         roomListStore={roomListStore}
+                         selectedTab="rooms" />
             </Example>
           </Section>
 
@@ -247,12 +279,15 @@
           <Section name="PendingConversationView">
             <Example summary="Pending conversation view (connecting)" dashed="true">
               <div className="standalone">
-                <PendingConversationView websocket={mockWebSocket}/>
+                <PendingConversationView websocket={mockWebSocket}
+                                         dispatcher={dispatcher} />
               </div>
             </Example>
             <Example summary="Pending conversation view (ringing)" dashed="true">
               <div className="standalone">
-                <PendingConversationView websocket={mockWebSocket} callState="ringing"/>
+                <PendingConversationView websocket={mockWebSocket}
+                                         dispatcher={dispatcher}
+                                         callState="ringing"/>
               </div>
             </Example>
           </Section>
@@ -262,7 +297,8 @@
                      style={{width: "260px", height: "265px"}}>
               <div className="fx-embedded">
                 <DesktopPendingConversationView callState={"gather"}
-                                                contact={mockContact} />
+                                                contact={mockContact}
+                                                dispatcher={dispatcher} />
               </div>
             </Example>
           </Section>
@@ -271,7 +307,7 @@
             <Example summary="Call Failed" dashed="true"
                      style={{width: "260px", height: "265px"}}>
               <div className="fx-embedded">
-                <CallFailedView />
+                <CallFailedView dispatcher={dispatcher} />
               </div>
             </Example>
           </Section>
diff --git a/browser/locales/en-US/chrome/browser/loop/loop.properties b/browser/locales/en-US/chrome/browser/loop/loop.properties
index 468cd5376129..4dc621ff1892 100644
--- a/browser/locales/en-US/chrome/browser/loop/loop.properties
+++ b/browser/locales/en-US/chrome/browser/loop/loop.properties
@@ -272,3 +272,8 @@ feedback_rejoin_button=Rejoin
 ## LOCALIZATION NOTE (feedback_report_user_button): Used to report a user in the case of
 ## an abusive user.
 feedback_report_user_button=Report User
+
+## LOCALIZATION NOTE (rooms_list_current_conversations): We prefer to have no
+## number in the string, but if you need it for your language please use {{num}}.
+rooms_list_current_conversations=Current conversation;Current conversations
+rooms_list_no_current_conversations=No current conversations