Two new fragments added to the main activity. One of which is the puzzle list on view grid.

res/values/dimens.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/* 
+**
+** Copyright 2008, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+-->
+
+<resources>
+    <dimen name="main_menu_text_size">18pt</dimen>
+    <dimen name="main_menu_btn_hmargin">10pt</dimen>
+    <dimen name="main_menu_btn_vmargin">2pt</dimen>
+    <dimen name="main_menu_btn_padding">10pt</dimen>
+</resources>