diff --git a/docs/xml/Android.Window/InputTransferToken.xml b/docs/xml/Android.Window/InputTransferToken.xml
index 09d9e05c3..52062f205 100644
--- a/docs/xml/Android.Window/InputTransferToken.xml
+++ b/docs/xml/Android.Window/InputTransferToken.xml
@@ -123,8 +123,8 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Describes the special objects in this token's marshaled representation.</summary>
+        <returns>A bitmask of special object types in the marshaled representation.</returns>
         <remarks>
           <para>
             <format type="text/html">
@@ -267,9 +267,9 @@
         </Parameter>
       </Parameters>
       <Docs>
-        <param name="dest">To be added.</param>
-        <param name="flags">To be added.</param>
-        <summary>To be added.</summary>
+        <param name="dest">The parcel that receives the token.</param>
+        <param name="flags">Additional flags describing how the token is written.</param>
+        <summary>Flattens this token into a parcel.</summary>
         <remarks>
           <para>
             <format type="text/html">
diff --git a/docs/xml/Android.Window/SplashScreenStyle.xml b/docs/xml/Android.Window/SplashScreenStyle.xml
index 3949ce8d2..14d216881 100644
--- a/docs/xml/Android.Window/SplashScreenStyle.xml
+++ b/docs/xml/Android.Window/SplashScreenStyle.xml
@@ -11,8 +11,8 @@
     <BaseTypeName>System.Enum</BaseTypeName>
   </Base>
   <Docs>
-    <summary>To be added.</summary>
-    <remarks>To be added.</remarks>
+    <summary>Specifies the visual style of a launched activity's splash screen.</summary>
+    <remarks>Use these values with the splash screen style APIs on <c>ActivityOptions</c>.</remarks>
   </Docs>
   <Members>
     <Member MemberName="Icon">
@@ -40,7 +40,7 @@
       </ReturnValue>
       <MemberValue>1</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Shows the launched activity's splash screen icon.</summary>
       </Docs>
     </Member>
     <Member MemberName="SolidColor">
@@ -68,7 +68,7 @@
       </ReturnValue>
       <MemberValue>0</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Uses a solid-color splash screen without showing the launched activity's icon.</summary>
       </Docs>
     </Member>
   </Members>
diff --git a/docs/xml/Android.Window/SplashScreenView.xml b/docs/xml/Android.Window/SplashScreenView.xml
index 4615b928f..149a53ee0 100644
--- a/docs/xml/Android.Window/SplashScreenView.xml
+++ b/docs/xml/Android.Window/SplashScreenView.xml
@@ -76,7 +76,7 @@
       </ReturnValue>
       <Docs>
         <summary>Returns the duration of the icon animation if icon is animatable.</summary>
-        <value>To be added.</value>
+        <value>The icon animation duration, or <see langword="null" /> or a non-null zero duration when the icon is not animatable.</value>
         <remarks>
           <para>Returns the duration of the icon animation if icon is animatable.
             
@@ -122,7 +122,7 @@
       </ReturnValue>
       <Docs>
         <summary>If the replaced icon is animatable, return the animation start time based on system clock.</summary>
-        <value>To be added.</value>
+        <value>The icon animation start time, or <see langword="null" /> when no animatable icon is available.</value>
         <remarks>
           <para>If the replaced icon is animatable, return the animation start time based on system clock.</para>
           <para>
@@ -163,7 +163,7 @@
       </ReturnValue>
       <Docs>
         <summary>Get the view containing the Splash Screen icon and its background.</summary>
-        <value>To be added.</value>
+        <value>The view containing the splash screen icon and its background, or <see langword="null" /> when no icon view exists.</value>
         <remarks>
           <para>Get the view containing the Splash Screen icon and its background.</para>
           <para>
diff --git a/docs/xml/Android.Window/SurfaceSyncGroup.xml b/docs/xml/Android.Window/SurfaceSyncGroup.xml
index 3a164346c..59e0cddef 100644
--- a/docs/xml/Android.Window/SurfaceSyncGroup.xml
+++ b/docs/xml/Android.Window/SurfaceSyncGroup.xml
@@ -120,12 +120,9 @@
       <Docs>
         <param name="attachedSurfaceControl">The AttachedSurfaceControl that will be add to this
                                           SurfaceSyncGroup.</param>
-        <param name="runnable">This is run on the same thread that the call was made on, but
-                                          after the rendering is paused and before continuing to render
-                                          the next frame. This method will not return until the
-                                          execution of the runnable completes. This can be used to make
-                                          changes to the AttachedSurfaceControl, ensuring that the
-                                          changes are included in the sync.</param>
+        <param name="runnable">Runs synchronously on the calling thread after rendering is paused
+            and before the next frame is rendered. This method blocks until the runnable completes.
+            Use it to make changes to the AttachedSurfaceControl that are included in the sync.</param>
         <summary>Add an AttachedSurfaceControl to the SurfaceSyncGroup.</summary>
         <returns>true if the AttachedSurfaceControl was successfully added to the SurfaceSyncGroup,
             false otherwise.</returns>
@@ -181,11 +178,14 @@
         </Parameter>
       </Parameters>
       <Docs>
-        <param name="surfacePackage">To be added.</param>
-        <param name="runnable">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
-        <remarks>To be added.</remarks>
+        <param name="surfacePackage">The surface package to add to this synchronization group.</param>
+        <param name="runnable">An optional operation that runs synchronously on the calling thread
+            after rendering is paused and before the next frame is rendered. This method blocks
+            until the operation completes, allowing its changes to the hosted surface to be
+            included in the sync.</param>
+        <summary>Adds a surface package to this synchronization group.</summary>
+        <returns><see langword="true" /> if the surface package was added; otherwise, <see langword="false" />.</returns>
+        <remarks>Rendering is paused while the optional operation executes so its changes can be included in the synchronized frame.</remarks>
       </Docs>
     </Member>
     <Member MemberName="AddTransaction">
@@ -215,9 +215,14 @@
         <Parameter Name="transaction" Type="Android.Views.SurfaceControl+Transaction" />
       </Parameters>
       <Docs>
-        <param name="transaction">To be added.</param>
-        <summary>To be added.</summary>
-        <remarks>To be added.</remarks>
+        <param name="transaction">The transaction to synchronize with the group's other
+            transactions while the group is active. If the group has completed, the transaction
+            is applied immediately.</param>
+        <summary>Adds a transaction to an active synchronization group; applies it immediately
+            when the group has completed.</summary>
+        <remarks>The transaction is synchronized with the group's other transactions only while
+            the group is active. Once the group has completed, Android applies the transaction
+            immediately.</remarks>
       </Docs>
     </Member>
     <Member MemberName="JniPeerMembers">
diff --git a/docs/xml/Android.Window/SystemOnBackInvokedCallbacks.xml b/docs/xml/Android.Window/SystemOnBackInvokedCallbacks.xml
index 1570752f1..56c6ae980 100644
--- a/docs/xml/Android.Window/SystemOnBackInvokedCallbacks.xml
+++ b/docs/xml/Android.Window/SystemOnBackInvokedCallbacks.xml
@@ -81,9 +81,10 @@
       </Parameters>
       <Docs>
         <param name="activity">The associated <c>Activity</c></param>
-        <summary>Get a callback to triggers <c>Activity#finishAndRemoveTask()</c> on the associated
-            <c>Activity</c>.</summary>
-        <returns>To be added.</returns>
+        <summary>Get a callback that finishes the associated <c>Activity</c>, removing its task from
+            Recents when the activity is the task root.</summary>
+        <returns>A callback that finishes the activity when back is invoked and removes its task from
+            Recents only when the activity is the task root.</returns>
         <remarks>
           <para>Get a callback to triggers <c>Activity#finishAndRemoveTask()</c> on the associated
             <c>Activity</c>. If the activity is the root activity of its task, the entire task
@@ -161,7 +162,7 @@
         <param name="activity">The associated <c>Activity</c></param>
         <summary>Get a callback to triggers <c>Activity#moveTaskToBack(boolean)</c> on the associated
             <c>Activity</c>, moving the task containing the activity to the background.</summary>
-        <returns>To be added.</returns>
+        <returns>A callback that moves the activity's task to the background when back is invoked.</returns>
         <remarks>
           <para>Get a callback to triggers <c>Activity#moveTaskToBack(boolean)</c> on the associated
             <c>Activity</c>, moving the task containing the activity to the background. The system
diff --git a/docs/xml/Android.Window/TrustedPresentationThresholds.xml b/docs/xml/Android.Window/TrustedPresentationThresholds.xml
index 182afe94a..cce0e72fe 100644
--- a/docs/xml/Android.Window/TrustedPresentationThresholds.xml
+++ b/docs/xml/Android.Window/TrustedPresentationThresholds.xml
@@ -85,14 +85,14 @@
         <Parameter Name="stabilityRequirementMs" Type="System.Int32" />
       </Parameters>
       <Docs>
-        <param name="minAlpha">The min alpha the Window is required to
-                                          have to be considered inside the
-                                          threshold.</param>
-        <param name="minFractionRendered">The min fraction of the Window that was presented
-                                          to the user to be considered
-                                          inside the threshold.</param>
-        <param name="stabilityRequirementMs">The time in milliseconds required for the
-                                          Window to be in the threshold.</param>
+        <param name="minAlpha">The minimum alpha the Window must have to be considered inside the
+            threshold. Must be greater than 0.0 and no greater than 1.0.</param>
+        <param name="minFractionRendered">The minimum fraction of the Window presented to the
+            user to be considered inside the threshold. Must be greater than 0.0 and no greater
+            than 1.0.</param>
+        <param name="stabilityRequirementMs">The time in milliseconds required for the Window to
+            be in the threshold. Must be at least 1 millisecond; zero or negative values cause
+            this constructor to throw <c>IllegalArgumentException</c>.</param>
         <summary>Creates a new TrustedPresentationThresholds.</summary>
         <remarks>
           <para>Creates a new TrustedPresentationThresholds.</para>
@@ -166,9 +166,9 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
-        <remarks>To be added.</remarks>
+        <summary>Describes the special objects in this threshold object's marshaled representation.</summary>
+        <returns>A bitmask of special object types in the marshaled representation.</returns>
+        <remarks>The bitmask indicates whether the parcel representation contains special objects such as file descriptors.</remarks>
       </Docs>
     </Member>
     <Member MemberName="JniPeerMembers">
@@ -229,7 +229,7 @@
       <Docs>
         <summary>The min alpha the Window is required to have to be considered inside the
             threshold.</summary>
-        <value>To be added.</value>
+        <value>A value greater than 0.0 and no greater than 1.0.</value>
         <remarks>
           <para>The min alpha the Window is required to have to be considered inside the
             threshold.</para>
@@ -272,7 +272,7 @@
       <Docs>
         <summary>The min fraction of the Window that was presented to the user to be considered
             inside the threshold.</summary>
-        <value>To be added.</value>
+        <value>A value greater than 0.0 and no greater than 1.0.</value>
         <remarks>
           <para>The min fraction of the Window that was presented to the user to be considered
             inside the threshold.</para>
@@ -314,7 +314,7 @@
       </ReturnValue>
       <Docs>
         <summary>The time in milliseconds required for the Window to be in the threshold.</summary>
-        <value>To be added.</value>
+        <value>A value of at least 1 millisecond.</value>
         <remarks>
           <para>The time in milliseconds required for the Window to be in the threshold.</para>
           <para>
@@ -426,10 +426,10 @@
         </Parameter>
       </Parameters>
       <Docs>
-        <param name="dest">To be added.</param>
-        <param name="flags">To be added.</param>
-        <summary>To be added.</summary>
-        <remarks>To be added.</remarks>
+        <param name="dest">The parcel that receives the threshold values.</param>
+        <param name="flags">Additional flags describing how the threshold values are written.</param>
+        <summary>Flattens these threshold values into a parcel.</summary>
+        <remarks>The parcel representation can be used to transfer threshold values across process boundaries.</remarks>
       </Docs>
     </Member>
   </Members>
diff --git a/docs/xml/ns-Android.Window.xml b/docs/xml/ns-Android.Window.xml
index f85a67c54..a8cacc332 100644
--- a/docs/xml/ns-Android.Window.xml
+++ b/docs/xml/ns-Android.Window.xml
@@ -1,6 +1,6 @@
 <Namespace Name="Android.Window">
   <Docs>
-    <summary>To be added.</summary>
-    <remarks>To be added.</remarks>
+    <summary>Provides APIs for predictive back navigation, splash screens, surface synchronization, input transfer, and trusted presentation thresholds.</summary>
+    <remarks>These APIs support Android window behavior that is coordinated with the system.</remarks>
   </Docs>
 </Namespace>