CrazyChip8 is an Chip-8 emulator.Some of the most popular games on the Chip-8 were: Pong,Space Invaders,TicTac and more.Chip-N is a Symbian port of CrazyChip8.It emulates the Chip8 only (not SuperChip8 extended).Chip-N in early alpha/beta stage and emulates few games so don't be surprised if you encounter some problems.you can download the emulator here and some public domain rom packs from Zophar's Domain