Zen Twins is an addictive and easy game based on an ancient asian puzzle called Shisen Sho or Four Rivers. It is played with Mah Jong tiles and the principle is simple: You must remove all tiles from the board. To do so, you remove similar tiles in pair only if you can connect them by a maximum of three lines crossing no other tile.

Lite version limitations :
* Only one level of difficulty (the easiest)
* No time race mode

Full version highlights :
* Several levels of difficulty (8 on iPad, 6 on iPhone/iPod Touch)
* Possibility to play against time to record high scores
* Possibility to play freely, just to relax
* Possibility to undo and redo any action as much as you want
* Universal App iPad/iPhone/iPod Touch (Retina screen compatible)

Visit http://letatas.com/en