Battle monsters hungry for Pokémon GO

Update: In each map will have a portal to the arena for so that you can fight and capture a higher level monsters.
You will be available 3 monsters
Your task is to use 3 monster to fight with the other monsters in the process of defeating the opponent, the monster will evolve to be higher, and along the way you can also income the more high-end monster.
All controls are on the screen to play.
Wish you play the game the most comfortable relaxation.