PuzzleOne

The app produces a random initial state with randomly arranged tiles.
Tiles adjecent to empty tile, slides towards the empty tile on the touch.
Valid moves are LEFT, RIGHT, UP and DOWN.
Users moves are counted and displayed along with the minimum number of moves generated by the computer.
As the count of user moves equals to the count of computer generated moves, the solution could be viewed.
To view the solution user has to make moves equal to or greater than the count of computer generated moves.
Sometimes computer take a little time in finding a solution till then its moves will shown as zero.
The very first screen shows the final state of the game and user has to arrange the tiles in the same order.