Despite Pokémon GO’s decreasing popularity, developer Niantic has been updating the game frequently. The rumored Generation II of Pokémon in Pokémon GO has been confirmed recently. Even Pokémon’s official Twitter tweeted about new Pokémons to be added in the game. More details will be revealed on 12th December.
The Generation II consists mainly of Pokémons from Pokémon Gold Version, Pokémon Silver Version and Pokémon Crystal Version. Pokémon Go fans community The Silph Road has already discovered Chikorita (No.152) and Celebi (No.251) from the latest APK.
— Pokémon (@Pokemon) 2016年12月7日