Android Atari 2600 Emulator + 2548 ROMs
Advanced open-source Atari 2600 VCS emulator based on Stella 3.9, designed and tested on the original Droid/Milestone, Xoom, Galaxy S2, Nexus 4, Nexus 7, NVidia Shield, Xperia Tablet Z, and Xperia Play, but works on virtually any device with similar or better specs.
* Save states
* Supports ROMs in .a26 and .bin formats, optionally in ZIP files
* Joystick and Paddle controller emulation
* Configurable on-screen multi-touch controls
* Bluetooth/USB gamepad & keyboard support compatible with any input device recognized by the OS (MOGA Pro, etc.), Wii controllers also supported if running Android 4.1 or lower, all devices support custom key profiles
* Works in any orientation