Simply Mahjong puzzle game

Simply Mahjong is a matching game that uses a set of mahjong tiles for game play. A maximum of 144 tiles are arranged in a special five-layer (maximum) pattern with their face showing upwards. The goal is to match open pairs of identical tiles and remove them from the board, exposing the tiles under them for play.

Multiple game tiles and backgrounds to choose from
Shuffle if stuck
Highlight playable tiles
Two level difficulty system
Not timed (though a clock is shown to track time played)
User stats that shows high scores, wins, losses & number of games played
A hint system that shows possible moves
A total of 156 unique game play's across six levels
An auto play mode to watch the system play itself
No ads in game screen