Ocean Run 3D is an online mobile game, adventure and runner game, surf underwater and test your limits by surfing as far as possible and collecting as many seahorses as you can, is free to play on Android and iOS devices, from AMA.
Download the game at:
https://play.google.com/store/apps/details?id=com.mando.ocean&hl=en
https://itunes.apple.com/us/app/ocean-run-3d/id823521862?mt=8