<from our Screamingly Obvious Dept.>
https://www.androidcentral.com/future-augmented-reality-may-actually-be-shopping-apps
https://www.producthunt.com/posts/tv-plan
Yeah, follow the money applies here: shopping, games.
But for adoption of AR by the public the old VHS rule applies: somebody will figure out how to use AR for p*rn and the masses will flock to it.