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

res/animator/fragment_slide_left_enter.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2011, 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.
+*/
+-->
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate
+        android:interpolator="@android:anim/accelerate_interpolator"
+		android:fromXDelta="100%"
+		android:toXDelta="0%"
+		android:fromYDelta="0"        
+		android:toYDelta="0"
+        android:duration="@android:integer/config_mediumAnimTime" />
+</set>