add button leading to the main config dialog plus an explanation of

what it's for.

xwords4/android/XWords4/res/layout/relay_game_config.xml

@@ -34,6 +34,21 @@
             android:text="@string/play" 
             />
 
+    <TextView style="@style/config_separator"
+              android:text="@string/relay_config_label"
+              />
+
+    <TextView android:layout_width="fill_parent"
+	          android:layout_height="wrap_content"
+              android:text="@string/relay_config_explain"
+              />
+    
+    <Button android:id="@+id/config_button"
+            android:layout_width="fill_parent" 
+            android:layout_height="wrap_content"
+            android:text="@string/list_item_config"
+            />
+
   </LinearLayout>
 
 </ScrollView>

xwords4/android/XWords4/res/values/strings.xml

@@ -478,4 +478,13 @@
     field below.  Do that and press the Play game button and you\'ll
     connect.</string>
 
+    <string name="relay_config_explain">To make more advanced changes
+    to your game, e.g. to change the dictionary and language it uses,
+    the number of players in the game or on this device, to enter or
+    create a public room, etc., tap the configure button below.  You
+    can reach the configure screen at any time via the long-press menu
+    in the main Game list screen.</string>
+
+    <string name="relay_config_label">Advanced settings</string>
+
 </resources>

xwords4/android/XWords4/src/org/eehouse/android/xw4/GameUtils.java

@@ -413,6 +413,13 @@ public class GameUtils {
         XwJNI.game_dispose( gamePtr );
     }
 
+    public static void doConfig( Activity activity, String path, Class clazz )
+    {
+        Uri uri = Uri.fromFile( new File(path) );
+        Intent intent = new Intent( Intent.ACTION_EDIT, uri, activity, clazz );
+        activity.startActivity( intent );
+    }
+
     private static String removeExtn( String str )
     {
         if ( str.endsWith( XWConstants.DICT_EXTN ) ) {

xwords4/android/XWords4/src/org/eehouse/android/xw4/GamesList.java

@@ -89,7 +89,8 @@ public class GamesList extends XWListActivity
                     showNotAgainDlgThen( R.string.not_again_newgamenet, 
                                          R.string.key_notagain_newgamenet, null );
 
-                    doConfig( path, RelayGameActivity.class );
+                    GameUtils.doConfig( GamesList.this, path, 
+                                        RelayGameActivity.class );
                 }
             });
 
@@ -311,13 +312,13 @@ public class GamesList extends XWListActivity
             } else {
                 switch ( menuID ) {
                 case R.id.list_item_config:
-                    doConfig( path, GameConfig.class );
+                    GameUtils.doConfig( this, path, GameConfig.class );
                     m_invalPath = path;
                     break;
 
                     // For development only; don't ship!!!
                 case R.id.list_item_netconfig:
-                    doConfig( path, RelayGameActivity.class );
+                    GameUtils.doConfig( this, path, RelayGameActivity.class );
                     m_invalPath = path;
                     break;
 
@@ -363,13 +364,6 @@ public class GamesList extends XWListActivity
         return handled;
     } // handleMenuItem
 
-    private void doConfig( String path, Class clazz )
-    {
-        Uri uri = Uri.fromFile( new File(path) );
-        Intent intent = new Intent( Intent.ACTION_EDIT, uri, this, clazz );
-        startActivity( intent );
-    }
-
     private String saveNew( CurGameInfo gi )
     {
         String path = null;

xwords4/android/XWords4/src/org/eehouse/android/xw4/RelayGameActivity.java

@@ -26,11 +26,13 @@
 package org.eehouse.android.xw4;
 
 import android.app.Activity;
+import java.io.File;
 import android.os.Bundle;
 import android.net.Uri;
 import android.widget.Button;
 import android.widget.TextView;
 import android.view.View;
+import android.content.Intent;
 import junit.framework.Assert;
 
 import org.eehouse.android.xw4.jni.*;
@@ -41,6 +43,8 @@ public class RelayGameActivity extends XWActivity
     private String m_path;
     private CurGameInfo m_gi;
     private CommsAddrRec m_car;
+    private Button m_playButton;
+    private Button m_configButton;
 
     @Override
     public void onCreate( Bundle savedInstanceState ) 
@@ -74,16 +78,24 @@ public class RelayGameActivity extends XWActivity
         TextView text = (TextView)findViewById( R.id.explain );
         text.setText( String.format( fmt, lang ) );
 
-        Button play_button = (Button)findViewById( R.id.play_button );
-        play_button.setOnClickListener( this );
+        m_playButton = (Button)findViewById( R.id.play_button );
+        m_playButton.setOnClickListener( this );
+
+        m_configButton = (Button)findViewById( R.id.config_button );
+        m_configButton.setOnClickListener( this );
     } // onCreate
 
     @Override
     public void onClick( View view ) 
     {
-        m_car.ip_relay_invite = Utils.getText( this, R.id.room_edit ).trim();
-        GameUtils.applyChanges( this, m_gi, m_car, m_path, false );
-        GameUtils.launchGame( this, m_path );
+        if ( view == m_playButton ) {
+            m_car.ip_relay_invite = Utils.getText( this, R.id.room_edit ).trim();
+            GameUtils.applyChanges( this, m_gi, m_car, m_path, false );
+            GameUtils.launchGame( this, m_path );
+        } else if ( view == m_configButton ) {
+            GameUtils.doConfig( this, m_path, GameConfig.class );
+            finish();
+        }
     }
 
 } // class RelayGameActivity