Judging by a brief introductory trailer, it seems as if his inclusion will open the door up for more possibilities when it comes to the 3-on-3 team action of Dissidia Final Fantasy NT. He left Square Enix in 2004 and because of that reason, he was no more involved with further Final Fantasy development.
Some better news involving the Final Fantasy VII Remake is the reveal that legendary composer Nobuo Uematsu is working on the game.
However, Square Enix as of late has been dropping the ball with regards to the remastering of a couple of their beloved franchises.
Nibelheim King Mog Event - This new event challenges players to take on Yin & Yang and other familiar monsters from FINAL FANTASY VII as they collect currency to exchange for weapons, abilities, and other rewards. Gamers were still looking forward to the remaster, but the unbridled excitement was tapered to a cautious anticipation. Although mostly unconfirmed, according to a discussion between producer Yoshinori Kitase and lead of development Naoki Hamaguchi, the estimated release date will be somewhere in 2023.
Thanks to a job posting on Nexon, the Final Fantasy XI mobile reboot has gotten a few new screenshots that'll leave fans excited for the mobile release hungry for more. Having the first out at the end of this year or sometime in 2019 with the two following parts out before 2023 sounds like a realistic timeline from our perspective, but we'll have to wait and see. A new interview on the game confirmed his involvement.