Pokemon Go has been made available for download the United States. Find out how to download it here.
The Game is available for download at iTunes and the Google Play Store.
According to the Pokemon Go website:
Travel between the real world and the virtual world of Pokémon with Pokémon GO for iPhone and Android devices. With Pokémon GO, you’ll discover Pokémon in a whole new world—your own! Pokémon GO is built on Niantic’s Real World Gaming Platform and will use real locations to encourage players to search far and wide in the real world to discover Pokémon. Pokémon GO will allow players to find and catch more than a hundred different Pokémon as they explore their surroundings.
This post is updating.