diff --git a/xwords4/android/app/src/main/AndroidManifest.xml b/xwords4/android/app/src/main/AndroidManifest.xml
index 1538192f8..ee6cecc8f 100644
--- a/xwords4/android/app/src/main/AndroidManifest.xml
+++ b/xwords4/android/app/src/main/AndroidManifest.xml
@@ -128,7 +128,9 @@
       </intent-filter>
     </receiver>
 
-    <activity android:name="DispatchNotify">
+    <activity android:name="DispatchNotify"
+              android:launchMode="singleTask"
+              >
       <intent-filter>
         <action android:name="android.intent.action.VIEW" />
         <category android:name="android.intent.category.DEFAULT" />
diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DictsDelegate.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DictsDelegate.java
index 6cd901c7a..c945ae991 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DictsDelegate.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DictsDelegate.java
@@ -1142,6 +1142,7 @@ public class DictsDelegate extends ListDelegateBase
     //////////////////////////////////////////////////////////////////////
     // DwnldActivity.DownloadFinishedListener interface
     //////////////////////////////////////////////////////////////////////
+    @Override
     public void downloadFinished( String lang, final String name,
                                   final boolean success )
     {
diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/GamesListDelegate.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/GamesListDelegate.java
index 29dbb1fc0..b90aef833 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/GamesListDelegate.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/GamesListDelegate.java
@@ -1310,6 +1310,7 @@ public class GamesListDelegate extends ListDelegateBase
             String lang = (String)params[0];
             String name = (String)params[1];
             DownloadFinishedListener lstnr = new DownloadFinishedListener() {
+                    @Override
                     public void downloadFinished( String lang, String name, boolean success )
                     {
                         if ( success ) {
@@ -1703,6 +1704,7 @@ public class GamesListDelegate extends ListDelegateBase
     //////////////////////////////////////////////////////////////////////
     // DwnldActivity.DownloadFinishedListener interface
     //////////////////////////////////////////////////////////////////////
+    @Override
     public void downloadFinished( String lang, String name,
                                   final boolean success )
     {