Trolls vs Vikings is an online mobile game, strategy adventure game, embark on a journey across a fun and mythical world, where peaceful Trolls and magical creatures face Vikings and their Gods, is free to play on Android and iOS devices, from Megapop Games.
Download the game at:
https://play.google.com/store/apps/details?id=com.megapopgames.trolls
https://itunes.apple.com/us/app/trolls-vs-vikings/id600493768?mt=8