Trials Frontier is an online mobile game, motorcycle racing game, race your motorcycle through a world of adventure, crazy characters, and unfairly addictive tracks, is free to play on Android and iOS devices, from Ubisoft Entertainment.
Download the game at:
https://play.google.com/store/apps/details?id=com.ubisoft.redlynx.trialsfrontier.ggp
https://itunes.apple.com/app/trials-frontier/id659283309?mt=8