diff --git a/mobile/android/themes/core/aboutMemory.css b/mobile/android/themes/core/aboutMemory.css
new file mode 100644
index 000000000000..d22b3a437ee9
--- /dev/null
+++ b/mobile/android/themes/core/aboutMemory.css
@@ -0,0 +1,101 @@
+/* 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/. */
+
+/* This file is used for both about:memory and about:compartments. */
+
+body.verbose {
+  /* override setting in about.css */
+  max-width: 100% !important;
+}
+
+body.non-verbose pre.entries {
+  overflow-x: hidden;
+  text-overflow: ellipsis;
+}
+
+h2 {
+  background: #ddd;
+  padding-left: .1em;
+}
+
+.accuracyWarning {
+  color: #f00;
+}
+
+.treeline {
+  color: #888;
+}
+
+.mrValue {
+  font-weight: bold;
+  color: #400;
+}
+
+.mrName {
+  color: #004;
+}
+
+.mrNote {
+  color: #604;
+}
+
+.hasKids {
+  cursor: pointer;
+}
+
+.hasKids:hover {
+  text-decoration: underline;
+}
+
+.option {
+  font-size: 80%;
+  -moz-user-select: none;  /* no need to include this when cutting+pasting */
+}
+
+.legend {
+  font-size: 80%;
+  -moz-user-select: none;  /* no need to include this when cutting+pasting */
+}
+
+.legend:last-of-type {
+  display: none;
+}
+
+.debug {
+  font-size: 80%;
+}
+
+.hidden {
+  display: none;
+}
+
+.invalid {
+  color: #fff;
+  background-color: #f00;
+}
+
+#updateButton {
+  margin: 1% 2% 1% 1%;
+  padding: 2% 0;
+  width: 30%;
+}
+
+#doGCButton {
+  margin: 1% 2%;
+  padding: 2% 0;
+  width: 30%;
+}
+
+#doCCButton {
+  margin: 1% 1% 1% 2%;
+  padding: 2% 0;
+  width: 30%;
+}
+
+#minMemUseButton {
+  margin: 1%;
+  padding: 2% 0;
+  width: 98%;
+}
+
diff --git a/mobile/android/themes/core/jar.mn b/mobile/android/themes/core/jar.mn
index 4430367499e3..fb860b034a74 100644
--- a/mobile/android/themes/core/jar.mn
+++ b/mobile/android/themes/core/jar.mn
@@ -12,6 +12,7 @@ chrome.jar:
   skin/aboutApps.css                        (aboutApps.css)
 * skin/aboutDownloads.css                   (aboutDownloads.css)
   skin/aboutFeedback.css                    (aboutFeedback.css)
+  skin/aboutMemory.css                      (aboutMemory.css)
   skin/aboutReader.css                      (aboutReader.css)
 * skin/browser.css                          (browser.css)
 * skin/content.css                          (content.css)
@@ -19,6 +20,7 @@ chrome.jar:
   skin/touchcontrols.css                    (touchcontrols.css)
   skin/netError.css                         (netError.css)
 % override chrome://global/skin/about.css chrome://browser/skin/about.css
+% override chrome://global/skin/aboutMemory.css chrome://browser/skin/aboutMemory.css
 % override chrome://global/skin/media/videocontrols.css chrome://browser/skin/touchcontrols.css
 % override chrome://global/skin/netError.css chrome://browser/skin/netError.css
 
diff --git a/toolkit/components/aboutmemory/content/aboutMemory.js b/toolkit/components/aboutmemory/content/aboutMemory.js
index 7ac8a9f33033..3e3e212a2b77 100644
--- a/toolkit/components/aboutmemory/content/aboutMemory.js
+++ b/toolkit/components/aboutmemory/content/aboutMemory.js
@@ -422,11 +422,13 @@ function updateAboutMemory()
   }
 
   // The "Update" button has an id so it can be clicked in a test.
+  // (Also for mobile styling of it and the other buttons.)
   appendButton(UpDesc, updateAboutMemory, "Update", "updateButton");
-  appendButton(GCDesc, doGlobalGC,        "GC");
-  appendButton(CCDesc, doCC,              "CC");
+  appendButton(GCDesc, doGlobalGC,        "GC",     "doGCButton");
+  appendButton(CCDesc, doCC,              "CC",     "doCCButton");
   appendButton(MPDesc, function() { minimizeMemoryUsage3x(updateAboutMemory); },
-                                          "Minimize memory usage");
+                                          "Minimize memory usage",
+                                                    "minMemUseButton");
 
   let div1 = appendElement(body, "div");
   if (gVerbose) {
diff --git a/toolkit/components/aboutmemory/content/aboutMemory.xhtml b/toolkit/components/aboutmemory/content/aboutMemory.xhtml
index b59e8db9c888..51fdb31026e1 100644
--- a/toolkit/components/aboutmemory/content/aboutMemory.xhtml
+++ b/toolkit/components/aboutmemory/content/aboutMemory.xhtml
@@ -9,6 +9,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <!-- the <title> is filled in by aboutMemory.js -->
+    <meta name="viewport" content="width=device-width; user-scalable=false"/>
     <link rel="stylesheet" href="chrome://global/skin/aboutMemory.css" type="text/css"/>
     <link rel="stylesheet" href="chrome://global/skin/about.css" type="text/css"/>
     <script type="text/javascript;version=1.8" src="chrome://global/content/aboutMemory.js"/>