Yes, the Chinese phenomenon has made it to U.S. shores - or at least U.S. mobile devices. The take-along version of PC MMO Wartune: Hall of Heroes features a fantasy setting, farming, crafting, PvP events ranging from three-player squads to 30-player guild battles, and exclusive mobile retooling to better emulate the PC gaming experience.
For more info about Wartune: Hall of Heroes, check it out on iTunes or Google Play.