http://setosai.s262.xrea.com/f.ctrl/
Maybe it’s a “multi slider controller”. 
yeah. I’m gonna check that thing out 
Thanks satobox 
Pretty cool, who made that app?
Made by Setosai.
He was the auther of a japanese Buzz tutorial site a few years ago, then the site was closed.
But I did not know that he has a programing skill and he uses Renoise until I saw his new site.