A free app for Android, by TOH Games.

Ninja Warrior 2: Warzone & RPG is an action-adventure game in the RPG genre. You can control your character in a manner that will allow you to move around in the environment and attack your enemies. This game is based on the RPG genre. You can choose from a variety of different classes that you can use to fight your enemies. These classes include the Ninja, the Samurai, the Archer, the Mage, and the Warrior. Each of these classes has its own unique abilities and skills.

You can also choose to play the game in a manner that will allow you to fight against the enemies in the environment.