Meet the Emtec GEM Box: an Android TV box that lets you play fun games on your TV. It runs Android 4.4 and gives you access to various games that can be controlled with a gamepad. It also supports streaming of games and up to 4 players. You can pick up a keyboard and other accessories for it.
The GEM Box comes with the GEM store preloaded. Costs $99.99 upon release.