Yes — on Google Play
Pokémon GO has a Google Play listing.
App Store
On Google Play
Is Pokémon GO on Android?
About Pokémon GO
Join Trainers across the globe who are discovering Pokémon as they explore the world around them. Pokémon GO is the global gaming sensation that has been downloaded over 1 billion times and named “Best Mobile Game” by the Game Developers Choice Awards and “Best App of the Year” by TechCrunch. _______________…
Pokémon GO is listed on both the App Store and Google Play from Niantic, Inc., so you can install it on Android phones and tablets. The Play Store listing shows 500,000,000+ installs.