Pokémon Go (stylized as Pokémon GO) is a 2016 augmented reality (AR) mobile game developed and published by Niantic, in partnership with Nintendo and The Pokémon Company, for iOS and Android devices. The game uses GPS to locate, capture, train, and battle Pokémon. It is free-to-play, featuring a freemium model that includes local advertising and offers in-app purchases for additional in-game items. Pokémon Go launched with approximately 150 Pokémon species, with new species regularly introduced.

-- Wikipedia.org