2H4U, which stands for Too Hard For You, is an open source game, and a mix between a Tetris-like game and a wall breaker. It requires good reflexes, coordination, and ambidexters should have some advantages. Will 2H4U be too hard for you?
http://dl.openhandhelds.org/cgi-bin/dingoo.cgi?0,0,0,0,25,367