A free program for Android, by Robot Superhero Games.

Welcome to the world of Tank Robot Transformation War. You are the captain of your own army, and you have the ability to transform into a helicopter and a tank. You will be able to fly and fight in the air, on land, and underwater. You will be able to shoot your enemies, destroy their weapons and vehicles, and fly to different locations.

You will have to complete missions in order to get new weapons and upgrades. Each mission will have a specific objective, and you will have to accomplish it in order to advance to the next one. You will be able to choose from a variety of weapons, such as a machine gun, a sniper rifle, and a rocket launcher.