A free program for Android, by Goodgame Studios.

Empire: Four Kingdoms is a real-time strategy game. You will be able to control and command your own army of medieval knights and soldiers. Fight against other players or AI opponents and take control of the most powerful territory in the world. Build and manage your own medieval empire.

You will need to build a powerful army in order to conquer other territories. You will have to manage your resources wisely, use your army and army commander to conquer new territories and defeat your enemies.

There are several types of troops that you can use. These troops include knights, archers, swordsmen, spears, and other types of soldiers. Each troop has its own special ability. For example, the swordman is the most powerful troop in the game, but they are the slowest.