Niantic already anounced that some device will not allowed to play Pokemon Go. Smartphone which been rooted will not able to play Pokemon Go anymore. Niantic do this thing to prevent hacker and cheater action. As we know, there is so many cheater in Pokemon Go game who using ilegal program to beat another player.
There is no game developer who like cheater, nor player. For some people, using cheat is fun, but for real gamer, cheat just a dumb way to achieve goals. Android is a open source device, so many player rooting the phone to have some “special” features who can be used to cheating on game.
So many option to root your device, with using custom rom, we can do many thing, such as modification the game system with ilegal program. This is so frustating to the real gamer. When you fight with a cheater, you will never win right ?
So for preventing this action, Niantic made this statement. Sounds good for real gamers right ? But for cheater, this kind of rule is really frustating. So if you still want play Pokemon Go, don’t ever dare to try rooting your phone or you will be banned by the system.