diff --git a/xwords4/android/XWords4/res/layout/board.xml b/xwords4/android/XWords4/res/layout/board.xml
index bc0db0515..5b333e215 100644
--- a/xwords4/android/XWords4/res/layout/board.xml
+++ b/xwords4/android/XWords4/res/layout/board.xml
@@ -31,16 +31,20 @@
                   >
    	  <ImageButton android:id="@+id/hint_button_horizontal"
                    style="@style/toolbar_button"
-    	           android:src="@android:drawable/sym_action_chat"
+    	           android:src="@drawable/next_hint"
                    />
    	  <ImageButton android:id="@+id/shuffle_button_horizontal"
                    style="@style/toolbar_button"
-    	           android:src="@android:drawable/sym_action_email"
+    	           android:src="@drawable/shuffle"
                    />
    	<ImageButton android:id="@+id/flip_button_horizontal"
                  style="@style/toolbar_button"
     	         android:src="@drawable/flip"
                  />
+   	<ImageButton android:id="@+id/zoom_button_horizontal"
+                 style="@style/toolbar_button"
+    	         android:src="@drawable/zoom"
+                 />
     </LinearLayout>
   </LinearLayout>
 
@@ -51,16 +55,20 @@
                 >
    	<ImageButton android:id="@+id/hint_button_vertical"
                  style="@style/toolbar_button"
-    	         android:src="@android:drawable/sym_action_chat"
+    	         android:src="@drawable/next_hint"
                  />
    	<ImageButton android:id="@+id/shuffle_button_vertical"
                  style="@style/toolbar_button"
-    	         android:src="@android:drawable/sym_action_email"
+    	         android:src="@drawable/shuffle"
                  />
    	<ImageButton android:id="@+id/flip_button_vertical"
                  style="@style/toolbar_button"
     	         android:src="@drawable/flip"
                  />
+   	<ImageButton android:id="@+id/zoom_button_vertical"
+                 style="@style/toolbar_button"
+    	         android:src="@drawable/zoom"
+                 />
   </LinearLayout>
 
 </LinearLayout>