This app runs games written for classic 8bit gaming consoles. It also emulates addons, such as tilt sensors, light guns, vibration packs, printers, and more. The emulation is specifically opimized for Android devices. It lets you save game progress at any moment, or even rewind gameplay back in time. You can exchange saved game states with other users, or play together by using the network play. This app supports AndroidTV, GoogleTV, and a variety of gamepads.