Here is a cool kit that lets you build a tiny arcade to play classic video games. The Tiny Arcade Clear Kit comes with a full color OLED screen, open source games, SD card expansion slots, joystick and two push buttons, built-in speaker, Android Zero, and everything you need to get started.
The Tiny Arcade can load games off a microSD card. It comes with a video player, so you can watch movies on it. Expected to ship under $60 at this time.