diff --git a/xwords4/android/XWords4-sms/res/layout/.gitignore b/xwords4/android/XWords4-sms/res/layout/.gitignore
index e22c7c278..01db4c327 100644
--- a/xwords4/android/XWords4-sms/res/layout/.gitignore
+++ b/xwords4/android/XWords4-sms/res/layout/.gitignore
@@ -28,3 +28,4 @@ rename_game.xml
 smsinviter_item.xml
 smsinviter.xml
 game_list_tmp.xml
+confirm_sms.xml
diff --git a/xwords4/android/XWords4-sms/res/xml/xwprefs.xml b/xwords4/android/XWords4-sms/res/xml/xwprefs.xml
index 9619c4677..436221526 100644
--- a/xwords4/android/XWords4-sms/res/xml/xwprefs.xml
+++ b/xwords4/android/XWords4-sms/res/xml/xwprefs.xml
@@ -270,6 +270,12 @@
                         android:summary="@string/notify_other_summary"
                         android:defaultValue="false"
                         />
+    <org.eehouse.android.xw4sms.SMSCheckBoxPreference 
+        android:key="@string/key_enable_sms"
+        android:title="@string/enable_sms"
+        android:summary="@string/enable_sms_summary"
+        android:defaultValue="false"
+        />
   </PreferenceScreen>
 
   <PreferenceScreen android:title="@string/advanced"
diff --git a/xwords4/android/XWords4-sms/src/org/eehouse/android/xw4sms/.gitignore b/xwords4/android/XWords4-sms/src/org/eehouse/android/xw4sms/.gitignore
index a2abe4ed1..9009b7c6e 100644
--- a/xwords4/android/XWords4-sms/src/org/eehouse/android/xw4sms/.gitignore
+++ b/xwords4/android/XWords4-sms/src/org/eehouse/android/xw4sms/.gitignore
@@ -56,3 +56,5 @@ XWListItem.java
 XWListPreference.java
 MultiService.java
 ConnStatusHandler.java
+SMSCheckBoxPreference.java
+XWPrefs.java
diff --git a/xwords4/android/XWords4/res/layout/confirm_sms.xml b/xwords4/android/XWords4/res/layout/confirm_sms.xml
new file mode 100644
index 000000000..8543f522b
--- /dev/null
+++ b/xwords4/android/XWords4/res/layout/confirm_sms.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:orientation="vertical"
+              android:layout_width="fill_parent" 
+              android:layout_height="fill_parent"
+              android:paddingLeft="8dp"
+              android:paddingRight="8dp"
+              >
+
+  <TextView android:layout_height="wrap_content"
+            android:layout_width="fill_parent"
+            android:text="@string/confirm_sms_expl"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            />
+
+  <Spinner android:id="@+id/confirm_sms_reasons"
+           android:layout_width="fill_parent"
+           android:layout_height="wrap_content"
+           android:drawSelectorOnTop="true"
+           android:entries="@array/confirm_sms_reasons"
+           />
+</LinearLayout>
diff --git a/xwords4/android/XWords4/res/values/common_rsrc.xml b/xwords4/android/XWords4/res/values/common_rsrc.xml
index 336965648..b32f4d190 100644
--- a/xwords4/android/XWords4/res/values/common_rsrc.xml
+++ b/xwords4/android/XWords4/res/values/common_rsrc.xml
@@ -55,6 +55,7 @@
   <string name="key_connect_frequency">key_connect_frequency</string>
   <string name="key_notify_sound">key_notify_sound</string>
   <string name="key_notify_vibrate">key_notify_vibrate</string>
+  <string name="key_enable_sms">key_enable_sms</string>
   <string name="key_hide_intro">key_hide_intro</string>
   <string name="key_keep_screenon">key_keep_screenon</string>
   <string name="key_summary_field">key_summary_field</string>
@@ -238,4 +239,10 @@
     <item>@string/game_summary_field_state</item>
   </string-array>
 
+  <string-array name="confirm_sms_reasons">
+    <item>@string/confirm_sms_noclue</item>
+    <item>@string/confirm_sms_unlimited</item>
+    <item>@string/confirm_sms_willpay</item>
+  </string-array>
+
 </resources>
diff --git a/xwords4/android/XWords4/res/values/strings.xml b/xwords4/android/XWords4/res/values/strings.xml
index 7d1841c7e..b5668122e 100644
--- a/xwords4/android/XWords4/res/values/strings.xml
+++ b/xwords4/android/XWords4/res/values/strings.xml
@@ -1902,8 +1902,11 @@
     <string name="sms_networked_desc">Create a game that will be
     played via invisible text messages. !!!DO NOT DO THIS UNLESS YOU HAVE
     AN UNLIMITED TEXT MESSAGING PLAN!!!</string>
-    <string name="sms_disabled">sms_disabled</string>
-    <string name="newgame_enable_sms">newgame_enable_sms</string>
+
+    <string name="sms_disabled">Playing vis SMS is currently disabled.
+    You can enable it in Settings->Network game settings.</string>
+    <string name="newgame_enable_sms">Launch Settings</string>
+
     <string name="err_no_phone">Phone number required</string>
     <string name="dft_sms_namef">SMS Game %X</string>    
     <string name="sms_devs_missing">Missing connections? Invite SMS
@@ -1970,4 +1973,17 @@
     <string name="connstat_sms">sms/texting</string>
     <string name="connstat_bt">bluetooth</string>
 
+    <string name="enable_sms">Allow games via SMS</string>
+    <string name="enable_sms_summary">Only if you have unlimited texting!</string>
+
+    <string name="confirm_sms_title">Confirm SMS plan</string>
+    <string name="confirm_sms_expl">Warning: A single game over SMS
+    may cause 50 text messages to be sent. Unless you have an
+    unlimited plan these may cost you up to 50 cents each. How will
+    you deal with this? (If it isn\'t clear, you SHOULD NOT ENABLE this
+    feature unless you have unlimited texting.)</string>
+    <string name="confirm_sms_noclue">Leave disabled</string>
+    <string name="confirm_sms_unlimited">I have an unlimited texting plan</string>
+    <string name="confirm_sms_willpay">I will happily pay all charges</string>
+
 </resources>
diff --git a/xwords4/android/XWords4/res/xml/xwprefs.xml b/xwords4/android/XWords4/res/xml/xwprefs.xml
index 723043c4a..39dd95c75 100644
--- a/xwords4/android/XWords4/res/xml/xwprefs.xml
+++ b/xwords4/android/XWords4/res/xml/xwprefs.xml
@@ -270,6 +270,12 @@
                         android:summary="@string/notify_other_summary"
                         android:defaultValue="false"
                         />
+    <org.eehouse.android.xw4.SMSCheckBoxPreference 
+        android:key="@string/key_enable_sms"
+        android:title="@string/enable_sms"
+        android:summary="@string/enable_sms_summary"
+        android:defaultValue="false"
+        />
   </PreferenceScreen>
 
   <PreferenceScreen android:title="@string/advanced"
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/NewGameActivity.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/NewGameActivity.java
index 158259ef0..54e96603e 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/NewGameActivity.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/NewGameActivity.java
@@ -61,6 +61,7 @@ public class NewGameActivity extends XWActivity {
 
     private boolean m_showsOn;
     private boolean m_nameForBT;
+    private boolean m_firingPrefs = false;
     private int m_chosen;
     private int m_lang = 0;
     private long m_newRowID = -1;
@@ -136,6 +137,16 @@ public class NewGameActivity extends XWActivity {
         }
     }
 
+    @Override
+    public void onWindowFocusChanged( boolean hasFocus )
+    {
+        super.onWindowFocusChanged( hasFocus );
+        if ( hasFocus && m_firingPrefs ) {
+            m_firingPrefs = false;
+            checkEnableSMS();
+        }
+    }
+
     // DlgDelegate.DlgClickNotify interface
     @Override
     public void dlgButtonClicked( int id, int which )
@@ -419,7 +430,7 @@ public class NewGameActivity extends XWActivity {
     private void checkEnableSMS()
     { 
         if ( XWApp.SMSSUPPORTED && Utils.deviceSupportsSMS(this) ) {
-            boolean enabled = true; // is the phone on
+            boolean enabled = XWPrefs.getSMSEnabled( this );
             findViewById( R.id.sms_separator ).setVisibility( View.VISIBLE );
 
             findViewById( R.id.sms_disabled ).
@@ -447,8 +458,9 @@ public class NewGameActivity extends XWActivity {
                 button = (Button)findViewById( R.id.newgame_enable_sms );
                 button.setOnClickListener( new View.OnClickListener() {
                         @Override
-                            public void onClick( View v ) {
-                            Utils.notImpl( NewGameActivity.this );
+                        public void onClick( View v ) {
+                            m_firingPrefs = true;
+                            Utils.launchSettings( NewGameActivity.this );
                         }
                     } );
             }
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/PrefsActivity.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/PrefsActivity.java
index c9cf43a47..8fba347cb 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/PrefsActivity.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/PrefsActivity.java
@@ -35,6 +35,7 @@ public class PrefsActivity extends PreferenceActivity
 
     private static final int REVERT_COLORS = 1;
     private static final int REVERT_ALL = 2;
+    public static final int CONFIRM_SMS = 3;
 
     private String m_keyLogging;
     private String m_smsToasting;
@@ -42,6 +43,7 @@ public class PrefsActivity extends PreferenceActivity
     @Override
     protected Dialog onCreateDialog( int id )
     {
+        Dialog dialog = null;
         DialogInterface.OnClickListener lstnr = null;
         int confirmID = 0;
 
@@ -89,10 +91,12 @@ public class PrefsActivity extends PreferenceActivity
                     }
                 };
             break;
+        case CONFIRM_SMS:
+            dialog = SMSCheckBoxPreference.onCreateDialog( this, id );
+            break;
         }
 
-        Dialog dialog = null;
-        if ( null != lstnr ) {
+        if ( null == dialog && null != lstnr ) {
             dialog = new AlertDialog.Builder( this )
                 .setTitle( R.string.query_title )
                 .setMessage( confirmID )
@@ -145,6 +149,7 @@ public class PrefsActivity extends PreferenceActivity
             unregisterOnSharedPreferenceChangeListener(this);
     }
 
+    @Override
     public void onSharedPreferenceChanged( SharedPreferences sp, String key ) 
     {
         if ( key.equals( m_keyLogging ) ) {
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/SMSCheckBoxPreference.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/SMSCheckBoxPreference.java
new file mode 100644
index 000000000..123ce75fe
--- /dev/null
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/SMSCheckBoxPreference.java
@@ -0,0 +1,101 @@
+/* -*- compile-command: "cd ../../../../../; ant debug install"; -*- */
+/*
+ * Copyright 2009 - 2012 by Eric House (xwords@eehouse.org).  All
+ * rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+package org.eehouse.android.xw4;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.preference.CheckBoxPreference;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.Spinner;
+
+public class SMSCheckBoxPreference extends CheckBoxPreference {
+
+    private PrefsActivity m_activity;
+    private boolean m_attached = false;
+    protected static SMSCheckBoxPreference s_this = null;
+
+    public SMSCheckBoxPreference( Context context, AttributeSet attrs )
+    {
+        super( context, attrs );
+        s_this = this;
+        m_activity = (PrefsActivity)context;
+    }
+
+    @Override
+    protected void onAttachedToActivity()
+    {
+        super.onAttachedToActivity();
+        if ( !XWApp.SMSSUPPORTED || !Utils.deviceSupportsSMS( m_activity ) ) {
+            setEnabled( false );
+        }
+        m_attached = true;
+    }
+
+    @Override
+    public void setChecked( boolean checked )
+    {
+        if ( !checked || !m_attached ) {
+            super.setChecked( false );
+        } else {
+            m_activity.showDialog( PrefsActivity.CONFIRM_SMS );
+        }
+    }
+
+    // Because s_this.super.setChecked() isn't allowed...
+    private void super_setChecked( boolean checked )
+    {
+        super.setChecked( checked );
+    }
+
+    public static Dialog onCreateDialog( final Activity activity, final int id )
+    {
+        final View layout = Utils.inflate( activity, R.layout.confirm_sms );
+
+        DialogInterface.OnClickListener lstnr = 
+            new DialogInterface.OnClickListener() {
+                public void onClick( DialogInterface dlg, int item ) {
+                    Spinner reasons = (Spinner)
+                        layout.findViewById( R.id.confirm_sms_reasons );
+                    if ( 0 < reasons.getSelectedItemPosition() ) {
+                        s_this.super_setChecked( true );
+                    }
+                }
+            };
+
+        AlertDialog.Builder ab = new AlertDialog.Builder( activity )
+            .setTitle( R.string.confirm_sms_title )
+            .setView( layout )
+            .setNegativeButton( R.string.button_ok, lstnr );
+        Dialog dialog = ab.create();
+
+        dialog.setOnDismissListener( new DialogInterface.OnDismissListener() {
+                public void onDismiss( DialogInterface di ) {
+                    activity.removeDialog( id );
+                }
+            } );
+
+        return dialog;
+    }
+}
\ No newline at end of file
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/Utils.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/Utils.java
index 58c5ff11f..e3e70910d 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/Utils.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/Utils.java
@@ -114,6 +114,12 @@ public class Utils {
             } );
     }
 
+    public static void launchSettings( Context context )
+    {
+        Intent intent = new Intent( context, PrefsActivity.class );
+        context.startActivity( intent );
+    }
+
     public static void emailAuthor( Context context )
     {
         Intent intent = new Intent( Intent.ACTION_SEND );
diff --git a/xwords4/android/XWords4/src/org/eehouse/android/xw4/XWPrefs.java b/xwords4/android/XWords4/src/org/eehouse/android/xw4/XWPrefs.java
index b3e8c84df..10a166063 100644
--- a/xwords4/android/XWords4/src/org/eehouse/android/xw4/XWPrefs.java
+++ b/xwords4/android/XWords4/src/org/eehouse/android/xw4/XWPrefs.java
@@ -26,6 +26,11 @@ import android.preference.PreferenceManager;
 
 public class XWPrefs {
 
+    public static boolean getSMSEnabled( Context context )
+    {
+        return getPrefsBoolean( context, R.string.key_enable_sms, false );
+    }
+
     public static boolean getPrefsBoolean( Context context, int keyID,
                                            boolean defaultValue )
     {