Tetsuya Mizuguchi, worshipped by some for creating the rave-y, transcendent, perception-melding Rez, has dropped some big hints about his next project in the latest issue of Edge. And it’s sounding surprisingly social. Consider the evidence: One, his next game will continue the lineage of Rez and Lumines and Child Of Eden. So far, so great. Two, he’s currently helping out with some Japanese social games, but he plans to get back to his own new game in 2014 or 2015. Also, he says he’s looking at mobile games, and we’re of course down with that. Many mobile games are not…