Fifteen puzzle

15-Puzzle is a sliding puzzle that consists of a frame of numbered square tiles in random order with one tile missing.
Classic application trains attention and mind's possibilities.
Try solve it as less time and steps as possible, compare your result with others.

Features:
* OpenFeint Rating system;
* Sound effects;
* Visualization of sliding;
* Possibility moving several puzzles in row(column) by one step;
* Refreshing by shaking of phone;
* Safe restoring of previos permutation.
* All screen resolution support.