Mario Kart Live: Home Circuit

Mario Kart Live: Home Circuit is a spin-off of the Mario Kart series for the Nintendo Switch announced as part of the 35th anniversary of Super Mario Bros. The game makes use of physical kart products of Mario and Luigi with a camera attached to the back of the kart, which live streams the surrounding area to the player's Nintendo Switch. The app is free on the Nintendo eShop, but requires either the Mario Set or the Luigi Set to be usable.