Need A Hero - Princess Rescue is an online mobile game, match-3 puzzle game, the sweet Princess has been abducted by an angry Dragon and is in need of saving, be her white knight, climb upon your steed [err, donkey], and take down horrible yet hilarious monsters, is free to play on Android devices, from Alis Games.
Download the game at:
https://play.google.com/store/apps/details?id=com.alis.hero_uncube&hl=en