This game is based on gps.wonderful game of all time ever, finde out pokemons , evolved pokemons, gym betel and pokestop are the best part of the game.5 million people download this game and plying now, in this game was action, advance and full of enjoyment, right now I am on 23 level.very nice experience to play this game.i spend lots of time for this game. now that time pokemon go game new updated version was 0.43.4 and comeing soon the version will change because of people experience was more and more so I wish you also enjoy this game.thanks for riding.