Labuat - Soy Tu Aire
The creator of this site has written a foolproof algorithm for graceful movement regardless of any ungraceful interaction. Go ahead, try your worst. Your taps and slides will be transformed into calligraphy and dance.
Damnit! This one’s been in my Drafts folder for literally months (the awesome Ze Frank tweeted about it back in May ‘09), but I hadn’t got around to posting it, and now the awesomely-named WYWS has beaten me to the punch.
Ignore Melbourne’s talk of algorithms, though, and just go play. It’s beautiful.