--- a/mobile/android/base/locales/en-US/android_strings.dtd
+++ b/mobile/android/base/locales/en-US/android_strings.dtd
@@ -68,16 +68,19 @@
 <!ENTITY pref_category_customize "Customize">
 <!ENTITY pref_category_search2 "Search settings">
 <!ENTITY pref_category_display "Display">
 <!ENTITY pref_category_privacy_short "Privacy">
 <!ENTITY pref_category_vendor "&vendorShortName;">
 <!ENTITY pref_category_datareporting "Data choices">
 <!ENTITY pref_category_installed_search_engines "Installed search engines">
 <!ENTITY pref_category_add_search_providers "Add more search providers">
+<!ENTITY pref_category_search_restore_defaults "Restore search engines">
+<!ENTITY pref_search_restore_defaults "Restore defaults">
+<!ENTITY pref_search_restore_defaults_summary "Restore defaults">
 <!-- Localization note (pref_search_tip) : "TIP" as in "hint", "clue" etc. Displayed as an
      advisory message on the customise search providers settings page explaining how to add new
      search providers.-->
 <!ENTITY pref_search_tip "TIP: Add any website to your list of search providers by long-pressing on its search field.">
 <!ENTITY pref_category_devtools "Developer tools">
 <!ENTITY pref_developer_remotedebugging "Remote debugging">
 <!ENTITY pref_developer_remotedebugging_docs "Learn more">
 <!ENTITY pref_remember_signons "Remember passwords">

--- a/mobile/android/base/preferences/GeckoPreferenceFragment.java
+++ b/mobile/android/base/preferences/GeckoPreferenceFragment.java
@@ -1,62 +1,117 @@
 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 package org.mozilla.gecko.preferences;
 
+import java.lang.reflect.Field;
+
 import org.mozilla.gecko.R;
 import org.mozilla.gecko.PrefsHelper;
 
+import android.app.Activity;
 import android.preference.Preference;
 import android.preference.PreferenceActivity;
 import android.preference.PreferenceCategory;
 import android.preference.PreferenceFragment;
 import android.preference.PreferenceScreen;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.ViewConfiguration;
 
 /* A simple implementation of PreferenceFragment for large screen devices
  * This will strip category headers (so that they aren't shown to the user twice)
  * as well as initializing Gecko prefs when a fragment is shown.
 */
 public class GeckoPreferenceFragment extends PreferenceFragment {
 
     private static final String LOGTAG = "GeckoPreferenceFragment";
     private int mPrefsRequestId = 0;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        String resourceName = getArguments().getString("resource");
+
+        int res = getResource();
 
-        int res = 0;
-        if (resourceName != null) {
-            // Fetch resource id by resource name.
-            res = getActivity().getResources().getIdentifier(resourceName,
-                                                             "xml",
-                                                             getActivity().getPackageName());
+        // Display a menu for Search preferences.
+        if (res == R.xml.preferences_search) {
+            setHasOptionsMenu(true);
         }
 
-        if (res == 0) {
-            // The resource was invalid. Use the default resource.
-            Log.e(LOGTAG, "Failed to find resource: " + resourceName + ". Displaying default settings.");
-
-            boolean isMultiPane = ((PreferenceActivity) getActivity()).onIsMultiPane();
-            res = isMultiPane ? R.xml.preferences_customize_tablet : R.xml.preferences;
-        }
         addPreferencesFromResource(res);
 
         PreferenceScreen screen = getPreferenceScreen();
         setPreferenceScreen(screen);
         mPrefsRequestId = ((GeckoPreferences)getActivity()).setupPreferences(screen);
     }
 
+    /*
+     * Get the resource from Fragment arguments and return it.
+     *
+     * If no resource can be found, return the resource id of the default preference screen.
+     */
+    private int getResource() {
+        int resid = 0;
+
+        String resourceName = getArguments().getString("resource");
+        if (resourceName != null) {
+            // Fetch resource id by resource name.
+            resid = getActivity().getResources().getIdentifier(resourceName,
+                                                             "xml",
+                                                             getActivity().getPackageName());
+        }
+
+        if (resid == 0) {
+            // The resource was invalid. Use the default resource.
+            Log.e(LOGTAG, "Failed to find resource: " + resourceName + ". Displaying default settings.");
+
+            boolean isMultiPane = ((PreferenceActivity) getActivity()).onIsMultiPane();
+            resid = isMultiPane ? R.xml.preferences_customize_tablet : R.xml.preferences;
+        }
+
+        return resid;
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        super.onCreateOptionsMenu(menu, inflater);
+        inflater.inflate(R.menu.preferences_search_menu, menu);
+    }
+
     @Override
     public void onDestroy() {
         super.onDestroy();
         if (mPrefsRequestId > 0) {
             PrefsHelper.removeObserver(mPrefsRequestId);
         }
     }
+
+    @Override
+    public void onAttach(Activity activity) {
+        super.onAttach(activity);
+        showOverflowMenu(activity);
+    }
+
+    /*
+     * Force the overflow 3-dot menu to be displayed if it isn't already displayed.
+     *
+     * This is an ugly hack for 4.0+ Android devices that don't have a dedicated menu button
+     * because Android does not provide a public API to display the ActionBar overflow menu.
+     */
+    private void showOverflowMenu(Activity activity) {
+        try {
+            ViewConfiguration config = ViewConfiguration.get(activity);
+            Field menuOverflow = ViewConfiguration.class.getDeclaredField("sHasPermanentMenuKey");
+            if (menuOverflow != null) {
+                menuOverflow.setAccessible(true);
+                menuOverflow.setBoolean(config, false);
+            }
+        } catch (Exception e) {
+            Log.d(LOGTAG, "Failed to force overflow menu, ignoring.");
+        }
+    }
 }

new file mode 100644
--- /dev/null
+++ b/mobile/android/base/resources/menu-v11/preferences_search_menu.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item android:id="@+id/restore_defaults"
+          android:title="@string/pref_search_restore_defaults" />
+
+</menu>

copy from mobile/android/base/resources/xml/preferences_search.xml
copy to mobile/android/base/resources/xml-v11/preferences_search.xml

--- a/mobile/android/base/resources/xml/preferences_search.xml
+++ b/mobile/android/base/resources/xml/preferences_search.xml
@@ -11,16 +11,23 @@
     <CheckBoxPreference android:key="browser.search.suggest.enabled"
                         android:title="@string/pref_search_suggestions"
                         android:defaultValue="false"
                         android:persistent="false" />
 
     <org.mozilla.gecko.preferences.SearchPreferenceCategory
                         android:title="@string/pref_category_installed_search_engines"/>
 
+    <PreferenceCategory android:title="@string/pref_category_search_restore_defaults">
+
+        <Preference android:key="android.not_a_preference.search.restore_defaults"
+                    android:title="@string/pref_search_restore_defaults_summary" />
+
+    </PreferenceCategory>
+
     <PreferenceCategory android:title="@string/pref_category_add_search_providers">
 
         <Preference android:layout="@layout/preference_search_tip"
                     android:enabled="false"
                     android:selectable="false"/>
 
     </PreferenceCategory>
 

--- a/mobile/android/base/strings.xml.in
+++ b/mobile/android/base/strings.xml.in
@@ -84,17 +84,21 @@
   <string name="pref_category_customize">&pref_category_customize;</string>
   <string name="pref_category_search">&pref_category_search2;</string>
   <string name="pref_category_display">&pref_category_display;</string>
   <string name="pref_category_privacy_short">&pref_category_privacy_short;</string>
   <string name="pref_category_vendor">&pref_category_vendor;</string>
   <string name="pref_category_datareporting">&pref_category_datareporting;</string>
   <string name="pref_category_installed_search_engines">&pref_category_installed_search_engines;</string>
   <string name="pref_category_add_search_providers">&pref_category_add_search_providers;</string>
+  <string name="pref_category_search_restore_defaults">&pref_category_search_restore_defaults;</string>
+  <string name="pref_search_restore_defaults">&pref_search_restore_defaults;</string>
+  <string name="pref_search_restore_defaults_summary">&pref_search_restore_defaults_summary;</string>
   <string name="pref_search_tip">&pref_search_tip;</string>
+
   <string name="pref_category_devtools">&pref_category_devtools;</string>
   <string name="pref_developer_remotedebugging">&pref_developer_remotedebugging;</string>
   <string name="pref_developer_remotedebugging_docs">&pref_developer_remotedebugging_docs;</string>
 
   <string name="pref_header_customize">&pref_header_customize;</string>
   <string name="pref_header_display">&pref_header_display;</string>
   <string name="pref_header_privacy_short">&pref_header_privacy_short;</string>
   <string name="pref_header_vendor">&pref_header_vendor;</string>