Update:
A teaser site for the 3DS version has launched, confirming a release on February 7 2013. As for developer, the folk who worked on past Dragon Quest DS remakes and helped create the original Playstation Dragon Quest VII, are working on the 3DS remake.
ArtePiazza, the studio that handled Dragon Quest VII and the DS remakes, is developing Dragon Quest VII: Warriors of Eden for the Nintendo 3DS.
Additionally, according to Siliconera there will be three save files and an orchestrated soundtrack recorded by the Tokyo Metropolitan Symphony Orchestra.
Original Story:
The latest issue of Jump magazine in Japan has confirmed a 3DS remake of the PlayStation RPG Dragon Quest VII.
Release just over a decade ago, the original game involved a protagonist who uncovers a map fragment that reveals continents that used to exist in the past. With the hero's father, the pair travel back in time to fix the damage dealt to restore these regions in the present.
The magazine confirms that the 3DS edition will be a remake of the original PlayStation game and include exchange of lithographs using StreetPass.
The title is confirmed for a release in February 2013 in Japan.