The classic 15-tile slide puzzle game just released into google play for Android 2.3 & up.

Let me know your thoughts on gameplay, and suggestions for improvement. Thank you.
https://play.google.com/store/apps/details?id=com.microrev.SlidePuzzle




Description:
Race against the clock to solve the puzzle in the fastest time. Play either Single-Game mode or Series-Play mode.

In Single-Game mode, your objective is to solve the puzzle faster and faster to beat your best time, which is tracked by the app.

In Series-Play mode, there is the added strategic element of a point scoring system. Please see the help screen in the app for more detailed instructions. Your best series score is also tracked by the app.