Mobile games don't tend to look favorably on rooted devices — i.e. smartphones where the user has root access to the system code — due to the potential for cheating. However, not many go to the extreme that Niantic has just imposed with a recent update for its massively popular Pokémon GO game.
After an August 18th update to v0.115.2 of the AR-based Pokémon title, user .NetRoller 3D on the XDA Developers forums reported receiving the unauthorized device error despite running stock Android, and was locked out of the game.Read More
Pokémon GO is locking out users after scanning internal storage for evidence of rooting was written by the awesome team at Android Police.