Just get an Apple Airtag and have him carry it around in his pocket (just make sure he doesn’t leave in there it so it doesn’t accidentally get washed). If you need to see if he’s at home just check it’s location with your phone. Place it on a keyring with a house key.
Those launchers are cancer for the Steam Deck. Even trying a Steam Deck verified game started like Star Wars Squadrons was more difficult than it needed to be with that extra layer of bullshit.