NetEase is doing a soft launch of their new fantasy MMO for mobile devices called Crusaders of Light. Along with leveling up your Ranger, Warrior, or Mystic character in the virtual world, the game will also have 1v1, 3v3, and 5v5 arena battles.
Immortal Conquest is a strategy game that takes place in a fantasy world. The goal is to harvest resources and build up your armies so you can take out your foes. It's available for free in the Play Store right now, but it has in-app purchases ranging from $0.99 - $99.99 per item.