Coming with Trainer Battles is the introduction of three Pokémon Go Trainer Battle Leagues: Great, Ultra, and Master.
☆ NintendObs Weekly – Monday, November 26, 2018 – Sunday, December 2, 2018.
Directly to you from Twitter:
…Wanna play? Buy a 3DS.
That being said, click on Pokémon Go for everything you need to know about the game. 😀