The New Zealand iTunes store has Theatrhythm: Final Fantasy listed for iPhone and iPad.
Courtesy of Kotaku who say this is indication that the game will be released in North America shortly, the free version comes with some songs with the rest needing to be purchased. It also comes with Twitter integration so you can let the (Twitter) world know what you’re doing.
The game is a rhythm game where players strum their fingers across the screen in time to Final Fantasy music. There is yet to be an official announcement from Square Enix.
The launch of the game’s teaser site had people speculating recently.