A free program for Android, by Gameloft.

World at Arms: KRA is a real-time strategy game that gives you the chance to become a world leader and conquer the whole planet. In the single-player mode, you can choose to play against the AI, or you can do multiplayer battles with your friends and battle the KRA army. You can also form a faction with your friends and allies to pool your powers, talk strategy, help each other out, and achieve levels of power that would be all but impossible alone.

You can build up your base by constructing and improving facilities that unlock new weapons, technology, and tactics. You can collect resources to fuel your military nation, upgrade facilities, fuse army units, and complete numerous achievements to earn free bonuses.

You can also engage in innovative battles across the globe and on various terrains including scorching deserts, urban cityscapes, ocean depths, and anywhere else the war spreads.