A multi-video-game-system portable handheld. A digital audio workstation with a built-in synthesizer and sequencer. A tribute to portable gaming. Out of the box, Pocket is compatible with the 2,780+ Game Boy, Game Boy Color & Game Boy Advance game cartridge library. Pocket works with cartridge adapters for other handheld systems, too. Like Game Gear. Neo Geo Pocket Color. Atari Lynx & more.