diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DelegateBase.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DelegateBase.java
index 1a878056b..495704c32 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DelegateBase.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DelegateBase.java
@@ -319,6 +319,13 @@ public class DelegateBase implements DlgClickNotify,
         }
     }
 
+    private void showFaq( String category, String entry )
+    {
+        Context context = getActivity();
+        String uri = getString( R.string.faq_uri_fmt, category, entry );
+        NetUtils.launchWebBrowserWith( context, uri );
+    }
+
     protected String getString( int resID, Object... params )
     {
         return LocUtils.getString( m_activity, resID, params );
@@ -737,7 +744,7 @@ public class DelegateBase implements DlgClickNotify,
     public boolean onPosButton( Action action, Object[] params )
     {
         boolean handled = true;
-        Log.d( TAG, "%s.onPosButton(%s)", getClass().getSimpleName(), action );
+        // Log.d( TAG, "%s.onPosButton(%s)", getClass().getSimpleName(), action );
         switch( action ) {
         case ENABLE_NBS_ASK:
             showSMSEnableDialog( Action.ENABLE_NBS_DO );
@@ -757,8 +764,11 @@ public class DelegateBase implements DlgClickNotify,
         case PERMS_BANNED_INFO:
             NetUtils.launchWebBrowserWith( m_activity, R.string.nbs_ban_url );
             break;
+        case SHOW_FAQ:
+            showFaq( (String)params[0], (String)params[1] );
+            break;
         default:
-            Log.d( TAG, "unhandled action %s", action.toString() );
+            Log.d( TAG, "onPosButton(): unhandled action %s", action.toString() );
             // Assert.assertTrue( !BuildConfig.DEBUG );
             handled = false;
             break;
diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DictBrowseDelegate.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DictBrowseDelegate.java
index 6ead3d02d..b4a07ece4 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DictBrowseDelegate.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DictBrowseDelegate.java
@@ -133,6 +133,7 @@ public class DictBrowseDelegate extends DelegateBase
     private PatTableRow m_rows[] = { null, null, null };
     private Spinner m_spinnerMin;
     private Spinner m_spinnerMax;
+    private boolean m_newAlertShown;
 
     private class DictListAdapter extends BaseAdapter
         implements SectionIndexer {
@@ -688,11 +689,25 @@ public class DictBrowseDelegate extends DelegateBase
                                            m_browseState.onFilterAccepted( m_dict, null );
                                            initList( wrapper );
                                            setFindPats( m_browseState.m_pats );
+
+                                           newFeatureAlert();
                                        }
                                    } );
                            }
                        } );
     }
+
+    private void newFeatureAlert()
+    {
+        if ( ! m_newAlertShown ) {
+            m_newAlertShown = true;
+            makeNotAgainBuilder( R.string.new_feature_filter, R.string.key_na_newFeatureFilter )
+                .setActionPair( Action.SHOW_FAQ, R.string.button_faq )
+                .setParams("filters", "intro")
+                .setTitle(R.string.new_feature_title)
+                .show();
+        }
+    }
     
     private void initList( IterWrapper newIter )
     {
diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DlgDelegate.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DlgDelegate.java
index 347d8d835..110595663 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DlgDelegate.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/DlgDelegate.java
@@ -124,6 +124,7 @@ public class DlgDelegate {
         ASKED_PHONE_STATE,
         PERMS_QUERY,
         PERMS_BANNED_INFO,
+        SHOW_FAQ,
     } // Action enum
 
     public static class ActionPair implements Serializable {
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 5a95ea407..97a9b9746 100644
--- a/xwords4/android/app/src/main/res/values/common_rsrc.xml
+++ b/xwords4/android/app/src/main/res/values/common_rsrc.xml
@@ -156,6 +156,7 @@
   <string name="key_na_longtap_lookup">key_na_longtap_lookup</string>
   <string name="key_na_perms_phonestate">key_na_perms_phonestate</string>
   <string name="key_na_addBlankButton">key_na_addBlankButton</string>
+  <string name="key_na_newFeatureFilter">key_na_newFeatureFilter</string>
 
   <string name="key_na_dupstatus_host">key_na_dupstatus_host</string>
   <string name="key_na_dupstatus_guest">key_na_dupstatus_guest</string>
@@ -176,6 +177,8 @@
   <string name="default_relay_url">https://eehouse.org/xw4/relay.py</string>
   <string name="default_mqtt_url">https://liquidsugar.net/xw4/api/v1</string>
 
+  <string name="faq_uri_fmt">https://eehouse.org/xw4/faq.html#%1$s</string>
+
   <string-array name="board_sizes">
     <item>15x15</item>
     <item>13x13</item>
diff --git a/xwords4/android/app/src/main/res/values/strings.xml b/xwords4/android/app/src/main/res/values/strings.xml
index 79377f1bf..2c0862d1e 100644
--- a/xwords4/android/app/src/main/res/values/strings.xml
+++ b/xwords4/android/app/src/main/res/values/strings.xml
@@ -732,13 +732,13 @@
     <string name="button_revert_all">Restore all</string>
     <!-- Text of confirmation dialog for above -->
     <string name="confirm_revert_colors">Are you sure you want to
-      restore all color settings to their original values?</string>
+      restore all color settings to their default values?</string>
     <!-- Second menu item.  Reverts only the colors to their
          default/original values -->
     <string name="button_revert_colors">Restore colors</string>
     <!-- Text of confirmation dialog for above -->
     <string name="confirm_revert_all">Are you sure you want to restore
-      all settings to their original values?</string>
+      all settings to their default values?</string>
     <!--       
        ############################################################
        # :Screens:
@@ -1622,6 +1622,15 @@
     <!-- Message in progress alert shown while wordlist is loading -->
     <string name="filter_progress_fmt">Processing %1$d words</string>
 
+    <!-- Text of alert shown when user first opens wordlist
+         browser. Shown until not-again checkbox checked. -->
+    <string name="new_feature_filter">This wordlist browser now has
+    dramatically improved filtering abilities. As an example, you can
+    show all words containing \"QU\" and ending in \"ING\".\n\nAccess
+    filtering by tapping the Expander button at the upper-right corner
+    of the window.\n\nRead more on the FAQ by tapping the button
+    below.</string>
+
     <string name="board_menu_file_email">Email author</string>
     <!--  -->
     <string name="email_author_subject">Comment about CrossWords</string>
@@ -2611,6 +2620,10 @@
          language -->
     <string name="no_tiles_exist">\"%1$s\" cannot be spelled with %2$s tiles.</string>
 
+    <string name="new_feature_title">New Feature Alert</string>
+
+    <string name="button_faq">Show FAQ</string>
+
     <!-- MQTT stuff. May not see the light of day -->
     <string name="invite_choice_mqtt">Internet/MQTT</string>
     <string name="mqtt_invite_title">MQTT Invitation</string>