diff --git a/core/java/android/service/games/GameSessionTrampolineActivity.java b/core/java/android/service/games/GameSessionTrampolineActivity.java
index e890876df3e7a..b237918422849 100644
--- a/core/java/android/service/games/GameSessionTrampolineActivity.java
+++ b/core/java/android/service/games/GameSessionTrampolineActivity.java
@@ -105,6 +105,7 @@ public final class GameSessionTrampolineActivity extends Activity {
                     FUTURE_KEY);
             future.completeExceptionally(e);
             finish();
+            overridePendingTransition(0, 0);
         }
     }
 
@@ -125,5 +126,6 @@ public final class GameSessionTrampolineActivity extends Activity {
                 FUTURE_KEY);
         future.complete(new GameSessionActivityResult(resultCode, data));
         finish();
+        overridePendingTransition(0, 0);
     }
 }
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 04274c9d3c835..217166c6810b5 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -6792,7 +6792,7 @@
                   android:excludeFromRecents="true"
                   android:exported="true"
                   android:permission="android.permission.MANAGE_GAME_ACTIVITY"
-                  android:theme="@style/Theme.Translucent.NoTitleBar">
+                  android:theme="@style/Theme.GameSessionTrampoline">
         </activity>
 
         <receiver android:name="com.android.server.BootReceiver"
diff --git a/core/res/res/values/themes.xml b/core/res/res/values/themes.xml
index bf42da0803905..a60862b74e15c 100644
--- a/core/res/res/values/themes.xml
+++ b/core/res/res/values/themes.xml
@@ -894,6 +894,22 @@ please see themes_device_defaults.xml.
     <!-- @hide Special theme for the default system Activity-based Alert dialogs. -->
     <style name="Theme.Dialog.Confirmation" parent="Theme.DeviceDefault.Dialog.Alert.DayNight" />
 
+    <!-- @hide Theme for GameSessionTrampolineActivity that prevents showing UI and activity
+         transitions. -->
+    <style name="Theme.GameSessionTrampoline">
+        <item name="backgroundDimEnabled">false</item>
+        <item name="colorBackgroundCacheHint">@null</item>
+        <item name="navigationBarColor">@color/transparent</item>
+        <item name="statusBarColor">@color/transparent</item>
+        <item name="windowAnimationStyle">@null</item>
+        <item name="windowBackground">@null</item>
+        <item name="windowContentOverlay">@null</item>
+        <item name="windowDrawsSystemBarBackgrounds">true</item>
+        <item name="windowIsFloating">true</item>
+        <item name="windowIsTranslucent">true</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
     <!-- Theme for a window that looks like a toast. -->
     <style name="Theme.Toast" parent="Theme.DeviceDefault.Dialog">
         <item name="windowBackground">?attr/toastFrameBackground</item>