Battle Robots! is an online mobile game, action fighting game, in which you will lead your robot to victory by defeating enemies and increasing your strength, is free to play on Android and iOS devices, from COLOPL.
Download the game at:
https://play.google.com/store/apps/details?id=jp.colopl.fighting_en
https://itunes.apple.com/us/app/battle-robots!/id550061840?mt=8