Arcane Empires.

If you are a fan of the Command and Conquer-style strategy game, you like steampunk, and have an android or iPhone/iPad device, then Arcane Empires is looking like the game you might just be searching for. This one has airships, steam-driven robot fighting vehicles and mechanical elephants and a variety of other tools to use to grow your empire while dishing out a right good bashing to your enemies.

Get it from http://x.kabam.com/Androidplay or http://x.kabam.com/iOSplay