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 16077063c..1f14fe7f2 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
@@ -86,6 +86,7 @@ public class GamesListDelegate extends ListDelegateBase
 
     private static final String RELAYIDS_EXTRA = "relayids";
     private static final String ROWID_EXTRA = "rowid";
+    private static final String BACKGROUND_EXTRA = "bkgrnd";
     private static final String GAMEID_EXTRA = "gameid";
     private static final String REMATCH_ROWID_EXTRA = "rm_rowid";
     private static final String REMATCH_DICT_EXTRA = "rm_dict";
@@ -2267,6 +2268,16 @@ public class GamesListDelegate extends ListDelegateBase
         }
     }
 
+    private void tryBackgroundIntent( Intent intent )
+    {
+        if ( intent.getBooleanExtra( BACKGROUND_EXTRA, false ) ) {
+            makeNotAgainBuilder( R.string.not_again_btservice,
+                                 R.string.key_notagain_btservice,
+                                 Action.OPEN_GAME )
+                .show();
+        }
+    }
+
     private void askDefaultName()
     {
         String name = CommonPrefs.getDefaultPlayerName( m_activity, 0, true );
@@ -2481,6 +2492,7 @@ public class GamesListDelegate extends ListDelegateBase
         startRematch( intent );
         tryAlert( intent );
         tryNFCIntent( intent );
+        tryBackgroundIntent( intent );
     }
 
     private void doOpenGame( Object[] params )
@@ -2668,6 +2680,7 @@ public class GamesListDelegate extends ListDelegateBase
     public static Intent makeBackgroundIntent( Context context )
     {
         Intent intent = makeSelfIntent( context );
+        intent.putExtra( BACKGROUND_EXTRA, true );
         return intent;
     }
 
diff --git a/xwords4/android/app/src/main/res/values/common_rsrc.xml b/xwords4/android/app/src/main/res/values/common_rsrc.xml
index b776b8be4..389e79ddb 100644
--- a/xwords4/android/app/src/main/res/values/common_rsrc.xml
+++ b/xwords4/android/app/src/main/res/values/common_rsrc.xml
@@ -136,6 +136,7 @@
   <string name="key_invite_multi">key_invite_multi</string>
   <string name="key_na_rematch_two_only">key_notagain_rematch_two_only</string>
   <string name="key_notagain_dfltname">key_notagain_dfltname</string>
+  <string name="key_notagain_btservice">key_notagain_btservice</string>
 
   <string name="key_na_comms_bt">key_na_comms_bt</string>
   <string name="key_na_comms_p2p">key_na_comms_p2p</string>
diff --git a/xwords4/android/app/src/main/res/values/strings.xml b/xwords4/android/app/src/main/res/values/strings.xml
index 7427f169a..d330d7eda 100644
--- a/xwords4/android/app/src/main/res/values/strings.xml
+++ b/xwords4/android/app/src/main/res/values/strings.xml
@@ -2641,6 +2641,14 @@
   player name \"%1$s\". Would you like to personalize with your own
   name before you create this game?</string>
 
+  <string name="not_again_btservice">This notification is present
+  whenever CrossWords is ready to receive Bluetooth messages in the
+  background. This readiness has a slight impact on battery. If you
+  don\'t want to listen in the background disable the \"Enable
+  Background Listener\" preference. CrossWords will still receive
+  Bluetooth moves and invitations while in the foreground, but any
+  sent while it\'s in the background will be lost.</string>
+
   <string name="no_invites">This game has sent no invitations</string>
 
   <string name="disable_dualpane">Disable side-by-side</string>