It looks like a tiny Lego spaceship that has flown in from ... allowing for in-game mapping of the keys. Key presses are sent to the Serial-to-USB chip in buffer specific to the firmware.

snatches a set of keys with its arm, and returns to the lift bot, before exiting the house. It’s all achieved with the use of the SBrick, a third-party Lego accessory which allows remote control ...