Originally according to reports from the latest issue of New Type and confirmed at the recent Type Moon Fest. event held in Japan it has been unveiled that Kadokawa Games will be developing Fate/stay Night: Realta Nua for the Playstation Vita and is slated for release on the 29th November 2012.
Realta Nua was initially a Playstation 2 port of Type-moons visual novel Fate/stay night which has since spawned two anime series, Fate/stay Night itself based on the visual novel works and a more recent prequel anime series Fate/Zero. This release will feature a new opening animation from Ufotable.
More information will be posted when made available.
[Source: Crunchyroll / Andriasang]