What is Empire: Four Kingdoms?
Empire Four Kingdoms is a mobile game available for Android and iOS.
Here is the description from the developer, Goodgame Studios:
Explore new continents and vie for supremacy in the kingdom with countless other players. Send your armies into battle and reduce your enemies’ castles to rubble. Choose from a huge number of lethal WEAPONS for ATTACK and DEFENSE. Reign over a mighty EMPIRE and become a legend in the award-winning strategy MMO Empire: Four Kingdoms.
I’ve been playing for about two weeks now… and really like it. I’m going to post strategies and tips, plus some guides on how to play. I’ll also talk a bit about the game dynamics from a developers viewpoint, and discuss some UI designs that Goodgame Studios has implemented.