You could just use your TV’s remote control if your TV supports HDMI-CEC. Most modern TV’s do send their key pushes via HDMI back to the device. Also there is

You could just use your TV’s remote control if your TV supports HDMI-CEC. Most modern TV’s do send their key pushes via HDMI back to the device. Also there is the option of using a simpler Ir remote control to control the Apple TV. You can record the commands for a simpler operation.