diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/NetUtils.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/NetUtils.java
index 3f37ad620..aff714afa 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/NetUtils.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/NetUtils.java
@@ -226,8 +226,7 @@ public class NetUtils {
     protected static HttpsURLConnection makeHttpsMQTTConn( Context context,
                                                            String proc )
     {
-        // String url = XWPrefs.getDefaultMQTTUrl( context );
-        String url = "https://liquidsugar.net/xw4/api/v1";
+        String url = XWPrefs.getDefaultMQTTUrl( context );
         return makeHttpsConn( context, url, proc );
     }
 
diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/XWPrefs.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/XWPrefs.java
index 28b314efa..096b3a3ec 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/XWPrefs.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/XWPrefs.java
@@ -148,6 +148,15 @@ public class XWPrefs {
         return result;
     }
 
+    public static String getDefaultMQTTUrl( Context context )
+    {
+        String result = getPrefsString( context, R.string.key_mqtt_url );
+        if ( result == null || 0 == result.length() ) {
+            result = context.getString( R.string.default_mqtt_url );
+        }
+        return result;
+    }
+
     public static boolean getRelayEnabled( Context context )
     {
         boolean enabled = ! getPrefsBoolean( context, R.string.key_disable_relay,
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 1182c4138..6b89e703d 100644
--- a/xwords4/android/app/src/main/res/values/common_rsrc.xml
+++ b/xwords4/android/app/src/main/res/values/common_rsrc.xml
@@ -39,6 +39,7 @@
   <string name="key_relay_via_http_first">key_relay_via_http_first</string>
   <string name="key_update_url">key_update_url2</string>
   <string name="key_relay_url">key_relay_url2</string>
+  <string name="key_mqtt_url">key_mqtt_url</string>
   <string name="key_mqtt_host">key_mqtt_host</string>
   <string name="key_mqtt_port">key_mqtt_port</string>
   <string name="key_mqtt_qos">key_mqtt_qos</string>
@@ -170,9 +171,7 @@
   <string name="nbs_ban_url">https://eehouse.org/sms.html</string>
   <string name="default_update_url">https://eehouse.org/xw4/info.py</string>
   <string name="default_relay_url">https://eehouse.org/xw4/relay.py</string>
-  <!-- <string name="default_relay_url">http://10.0.3.2/xw4/relay.py</string> -->
-
-  <!--string name="dict_url">http://10.0.2.2/~eehouse/and_dicts</string-->
+  <string name="default_mqtt_url">https://liquidsugar.net/xw4/api/v1</string>
 
   <string-array name="board_sizes">
     <item>15x15</item>
diff --git a/xwords4/android/app/src/main/res/values/strings.xml b/xwords4/android/app/src/main/res/values/strings.xml
index 101ad1197..4fe38432d 100644
--- a/xwords4/android/app/src/main/res/values/strings.xml
+++ b/xwords4/android/app/src/main/res/values/strings.xml
@@ -2230,6 +2230,7 @@
     <string name="game_summary_field_npackets">Pending packet count</string>
     <string name="expl_update_url">Update checks URL</string>
     <string name="expl_relay_url">URL for relay web API</string>
+    <string name="expl_mqtt_url">URL for new mqtt-based relay API</string>
     <string name="got_langdict_title">Fetch default wordlist for language</string>
     <string name="got_langdict_summary">Don\'t try a second time</string>
     <string name="pref_group_sms_title">SMS Stuff</string>
diff --git a/xwords4/android/app/src/main/res/xml/xwprefs.xml b/xwords4/android/app/src/main/res/xml/xwprefs.xml
index fe597a62b..160bc4f77 100644
--- a/xwords4/android/app/src/main/res/xml/xwprefs.xml
+++ b/xwords4/android/app/src/main/res/xml/xwprefs.xml
@@ -456,6 +456,11 @@
           android:entryValues="@array/mqtt_qos_values"
           android:defaultValue="2"
           />
+      <org.eehouse.android.xw4.XWEditTextPreference
+        android:key="@string/key_mqtt_url"
+        android:title="@string/expl_mqtt_url"
+        android:defaultValue="@string/default_mqtt_url"
+        />
 
     </PreferenceScreen>