IR remotes have been the best solutions for a long time. Unfortunately, they're not compatible with all devices. You can find them for many different brands and models, but they're often very expensive.

If you don't want to spend that much money, there is an alternative. This application allows you to use your Android device as an IR remote for your Apple TV. You can use it without having to pay for an expensive remotes. It works with any device that has an infrared receiver.

You don't need to download any other applications. You just need to download this one, and you can use it to control your Apple TV.