diff --git a/testing/web-platform/meta/presentation-api/controlling-ua/PresentationRequest_sandboxing_success.https.html.ini b/testing/web-platform/meta/presentation-api/controlling-ua/PresentationRequest_sandboxing_success.https.html.ini
index 66be9de7fe88..3477d1b68e32 100644
--- a/testing/web-platform/meta/presentation-api/controlling-ua/PresentationRequest_sandboxing_success.https.html.ini
+++ b/testing/web-platform/meta/presentation-api/controlling-ua/PresentationRequest_sandboxing_success.https.html.ini
@@ -1,4 +1,6 @@
 [PresentationRequest_sandboxing_success.https.html]
   [Sandboxing: Creating a PresentationRequest from a nested context succeeds when allow-presentation is set]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
diff --git a/testing/web-platform/meta/presentation-api/controlling-ua/PresentationRequest_success.https.html.ini b/testing/web-platform/meta/presentation-api/controlling-ua/PresentationRequest_success.https.html.ini
index 3684e7b67c9b..cb2b3cef5f2a 100644
--- a/testing/web-platform/meta/presentation-api/controlling-ua/PresentationRequest_success.https.html.ini
+++ b/testing/web-platform/meta/presentation-api/controlling-ua/PresentationRequest_success.https.html.ini
@@ -9,5 +9,7 @@
     expected: FAIL
 
   [Constructing a PresentationRequest]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
diff --git a/testing/web-platform/meta/presentation-api/controlling-ua/defaultRequest.https.html.ini b/testing/web-platform/meta/presentation-api/controlling-ua/defaultRequest.https.html.ini
index f09d94bf380c..6b7219971e26 100644
--- a/testing/web-platform/meta/presentation-api/controlling-ua/defaultRequest.https.html.ini
+++ b/testing/web-platform/meta/presentation-api/controlling-ua/defaultRequest.https.html.ini
@@ -1,4 +1,6 @@
 [defaultRequest.https.html]
   [Setting a default presentation request]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
diff --git a/testing/web-platform/meta/presentation-api/controlling-ua/getAvailability_sandboxing_success.https.html.ini b/testing/web-platform/meta/presentation-api/controlling-ua/getAvailability_sandboxing_success.https.html.ini
index 1c7fdd0a4cbe..a48d20c012be 100644
--- a/testing/web-platform/meta/presentation-api/controlling-ua/getAvailability_sandboxing_success.https.html.ini
+++ b/testing/web-platform/meta/presentation-api/controlling-ua/getAvailability_sandboxing_success.https.html.ini
@@ -1,4 +1,6 @@
 [getAvailability_sandboxing_success.https.html]
   [Sandboxing: Retrieving display availability from a nested context succeeds when allow-presentation is set]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
diff --git a/testing/web-platform/meta/presentation-api/controlling-ua/idlharness.https.html.ini b/testing/web-platform/meta/presentation-api/controlling-ua/idlharness.https.html.ini
index b6611d46e37d..b0cdc584d56c 100644
--- a/testing/web-platform/meta/presentation-api/controlling-ua/idlharness.https.html.ini
+++ b/testing/web-platform/meta/presentation-api/controlling-ua/idlharness.https.html.ini
@@ -3,263 +3,437 @@
     expected: FAIL
 
   [PresentationConnectionCloseEvent interface: attribute message]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: navigator.presentation.defaultRequest must inherit property "start()" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: presentation_request_urls must inherit property "onconnectionavailable" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: existence and properties of interface prototype object]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: operation reconnect(USVString)]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: operation terminate()]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationAvailability interface object length]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: presentation_request_urls must inherit property "start()" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionCloseEvent interface: attribute reason]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface object length]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: operation start()]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: navigator.presentation.defaultRequest must inherit property "getAvailability()" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Presentation interface: navigator.presentation must inherit property "receiver" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: operation send(DOMString)]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationAvailability interface: attribute onchange]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface object length]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Stringification of navigator.presentation.defaultRequest]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: existence and properties of interface prototype object's "constructor" property]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Presentation interface object length]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: operation getAvailability()]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: attribute binaryType]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest must be primary interface of navigator.presentation.defaultRequest]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionAvailableEvent interface: attribute connection]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionAvailableEvent interface object length]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Presentation interface: attribute defaultRequest]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: presentation_request_urls must inherit property "reconnect(USVString)" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: existence and properties of interface prototype object]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Presentation must be primary interface of navigator.presentation]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: existence and properties of interface prototype object's "constructor" property]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: calling reconnect(USVString) on navigator.presentation.defaultRequest with too few arguments must throw TypeError]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface object name]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionAvailableEvent interface object name]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: navigator.presentation.defaultRequest must inherit property "reconnect(USVString)" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Presentation interface: existence and properties of interface object]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Presentation interface object name]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Presentation interface: navigator.presentation must inherit property "defaultRequest" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface object name]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Presentation interface: attribute receiver]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: navigator.presentation.defaultRequest must inherit property "onconnectionavailable" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionAvailableEvent interface: existence and properties of interface prototype object's "constructor" property]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest must be primary interface of presentation_request_urls]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Stringification of presentation_request]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationAvailability interface: existence and properties of interface prototype object]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationAvailability interface object name]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: presentation_request_urls must inherit property "getAvailability()" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: presentation_request must inherit property "start()" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: attribute onclose]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: operation close()]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Stringification of presentation_request_urls]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest must be primary interface of presentation_request]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: calling reconnect(USVString) on presentation_request with too few arguments must throw TypeError]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Presentation interface: existence and properties of interface prototype object's @@unscopables property]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: presentation_request must inherit property "getAvailability()" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionAvailableEvent interface: existence and properties of interface prototype object's @@unscopables property]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationAvailability interface: existence and properties of interface prototype object's "constructor" property]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: attribute state]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: calling reconnect(USVString) on presentation_request_urls with too few arguments must throw TypeError]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Presentation interface: existence and properties of interface prototype object's "constructor" property]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: operation send(Blob)]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationAvailability interface: existence and properties of interface object]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: attribute url]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: existence and properties of interface prototype object's @@unscopables property]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Navigator interface: attribute presentation]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionCloseEvent interface: existence and properties of interface object]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionCloseEvent interface object name]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationAvailability interface: existence and properties of interface prototype object's @@unscopables property]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: existence and properties of interface object]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: existence and properties of interface prototype object's @@unscopables property]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: operation send(ArrayBufferView)]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Stringification of navigator.presentation]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionCloseEvent interface: existence and properties of interface prototype object]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionCloseEvent interface: existence and properties of interface prototype object's @@unscopables property]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: presentation_request must inherit property "reconnect(USVString)" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationAvailability interface: attribute value]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [Presentation interface: existence and properties of interface prototype object]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: operation send(ArrayBuffer)]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: attribute onconnectionavailable]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationRequest interface: presentation_request must inherit property "onconnectionavailable" with the proper type]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: attribute onconnect]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionAvailableEvent interface: existence and properties of interface prototype object]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: attribute onterminate]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionCloseEvent interface: existence and properties of interface prototype object's "constructor" property]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionAvailableEvent interface: existence and properties of interface object]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: attribute onmessage]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: attribute id]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnectionCloseEvent interface object length]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
   [PresentationConnection interface: existence and properties of interface object]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL
 
diff --git a/testing/web-platform/meta/presentation-api/controlling-ua/reconnectToPresentation_sandboxing_success.https.html.ini b/testing/web-platform/meta/presentation-api/controlling-ua/reconnectToPresentation_sandboxing_success.https.html.ini
index b46c504f7601..b50bb14109b5 100644
--- a/testing/web-platform/meta/presentation-api/controlling-ua/reconnectToPresentation_sandboxing_success.https.html.ini
+++ b/testing/web-platform/meta/presentation-api/controlling-ua/reconnectToPresentation_sandboxing_success.https.html.ini
@@ -1,4 +1,6 @@
 [reconnectToPresentation_sandboxing_success.https.html]
   [Sandboxing: Reconnecting a presentation from a nested context succeeds when allow-presentation is set]
-    expected: FAIL
+    expected:
+      if os == "android": PASS
+      FAIL