With the Apple TV 4 developer kit in the hands of developers, select software makers are experimenting with different ways to take advantage of the iOS 9-based tvOS operating system. Developer Kevin Smith has created a MAME Emulator for the new Apple TV that is based on a similar port for iPhones and iPads. These special software kits allow users to run vintage video games on their modern devices, such as Frogger and Metal Gear Solid.
The video below shows some of these games in action. As MacRumors notes, the A8 chip in the new Apple TV is able to handle these simulated games fairly well. The developer explains on his YouTube channel how the emulator was developed: