(http://upload.wikimedia.org/wikipedia/commons/thumb/f/f5/ParaParaParadise_2ndMIX.jpg/431px-ParaParaParadise_2ndMIX.jpg)
At first glance, it's DDR with hands.
Then you realize, you're copying exactly what's being done on screen.
Who's played it? :O
I've never even heard of it. But your title reminds me of Gulla Gulla Island. =/
Never heard of it never seen it probobly never will because im not in japan :(
I've only read about it, seems kind of weird, but whatever.