UPDATE: It's a VITA game - Square Enix registered a trademark for "Prequel Trilogy" - ... iOS port.. lol

[ktay95]

FFXIII gets 3 prequels... YES PLEASE!!!!!
No seriously I would be there day 1 for all 3 if it was true.
But no company is that stupid. Not even SQEX would make a prequel to XIII, not after Lightning Returns.