A free app for Android, by GameArk Global.
Rise of Dragons is a free-to-play fantasy MMORPG developed by RockRex Games.
You will control a dragon to fight and explore the worlds. The worlds are made of many islands. On each island, you can find various creatures and resources. You can use the resources to create weapons and armor, to heal your dragon and yourself, or to attack your enemies.
You can also interact with other players in the game. You can fight and kill them. You can also help them. There are also missions for you to complete. The more successful you are, the more rewards you will get.