diff --git a/xwords4/android/XWords4/res/values/common_rsrc.xml b/xwords4/android/XWords4/res/values/common_rsrc.xml
index 15324501a..d73dcd305 100644
--- a/xwords4/android/XWords4/res/values/common_rsrc.xml
+++ b/xwords4/android/XWords4/res/values/common_rsrc.xml
@@ -38,6 +38,7 @@
   <string name="key_sms_port">key_sms_port</string>
   <string name="key_dict_host">key_dict_host3</string>
   <string name="key_logging_on">key_logging_on</string>
+  <string name="key_udp_relay">key_udp_relay</string>
   <string name="key_show_sms">key_show_sms</string>
   <string name="key_init_hintsallowed">key_init_hintsallowed</string>
   <string name="key_init_nethintsallowed">key_init_nethintsallowed</string>
@@ -126,6 +127,7 @@
   <string name="name_dict_fmt">%1$s/%2$s</string>
   <string name="gamel_menu_storedb">Write DB to SD card</string>
   <string name="gamel_menu_loaddb">Load DB from SD card</string>
+  <string name="udp_relay">New/Experimental relay connection</string>
 
   <!--string name="dict_url">http://10.0.2.2/~eehouse/and_dicts</string-->
 
diff --git a/xwords4/android/XWords4/res/xml/xwprefs.xml b/xwords4/android/XWords4/res/xml/xwprefs.xml
index 2cb350166..5bf240ba9 100644
--- a/xwords4/android/XWords4/res/xml/xwprefs.xml
+++ b/xwords4/android/XWords4/res/xml/xwprefs.xml
@@ -295,6 +295,10 @@
 			            android:summary="@string/git_rev"
 			            android:enabled="false"
 			            />
+    <CheckBoxPreference android:key="@string/key_udp_relay"
+			            android:title="@string/udp_relay"
+			            android:defaultValue="false"
+			            />
     <CheckBoxPreference android:key="@string/key_logging_on"
 			            android:title="@string/logging_on"
 			            android:defaultValue="false"