The new title being collaborated on by Spike Chunsoft and tri-Ace,Exist Archive: The Other Side of the Sky, has its first gameplay video. The short teaser trailer, entirely in Japanese, sets up the game's story as well as focusing on the advertised "side-view" world exploration and combat.
Exist Archive is currently planned to release in Japan during the fourth quarter of 2015 on PlayStation 4 and PlayStation Vita. As of now there has been no announcement of a Western release.
Update - The game has now been confrimed for a November 26, 2015 release in Japan. There is still no news on a possible release in North America or Europe.