what is the name of the fantasy app shown in the newest ipad commercial

apple made a new commercial for ipad apps it is like....

ipad is... cinematic

ipad is...elementary

ipad is...academic

and so on and so forth the one app im interested in is

ipad is... fantasy

i just want to know the name of this app the closest i came to was a free game thats not really a game its just a walk around showing great graphics its called epic citadel. if anyone can inform me as to the real name of the game i would much appreciate it

~adam~