Shanghai Pocket

This is a portable edition of the solitaire game Shanghai, the game uses traditional Mah Jong tiles. The aim of the game is to match tiles, four of each type will be put on the playing field, when two tiles are matched they are removed when none remain you win. Only tiles that can be moved freely to the left or right may be matched. A wrong move may result in you not being able to clear the field. (mobygames.com)