This is the case for the GameShell a Open Source Retro Gaming & STEM Portable Console. the gamehell is on kickstarter ( http://kck.st/2AYvJbW )
GameShell is the world's first modular, portable game console with a GNU/LINUX embedded operating system. It allows you to play thousands of classic games from Atari, GB, GBA, NES, SNES and many of history’s greatest consoles.
GameShell uses the powerful LINUX operating system and every game published on it will be free, open-source and modifiable. We have included two classic games - Cave Story and DOOM1 in GameShell and there will be more free games included in future.
kickstarter link - http://kck.st/2AYvJbW