There was some talk a while back about Zelda Ocarina of Time 3D being developed by Grezzo, the studio behind Line Attack Heroes. In case you don't trust ratings classification boards or Australians, the latest Iwata Asks Column confirms this.
This is actually the fourth Iwata Asks for Ocarina of Time 3D. Following an interview about sound, and two interviews with the original Ocarina of Time staff, the fourth column features the game's development staff from Grezzo. They're joined by Nintendo's Eiji Aonuma who once again reminds us how much he wanted to redo the game's tough water temple.
I'm not going to get a chance to sum up the column, but for the non Japanese readers, check the Iwata Asks English portal for a translation. (Although they seem to be lagging a bit with the Zelda columns.)