Not sure how they bumped up the resolution for print quality, but here's where they're talking with artist. http://gmy.news.yahoo.com/v/13634697 Guessing he's using Brushes app? Couldn't make out the name of his website.
http://abcnews.go.com/Technology/AheadoftheCurve/story?id=7666018&page=1 His site: http://www.jorgecolombo.com/drawings/index.htm
Here is a bigger image: It looks pretty good and it's impressive to see what people can draw on an iPhone app.
You know that Graffiti app on facebook? Someone made a batmobile (from TDK), that at a low resolution, looked exactly like the one in the movie! The only reason ABC picked this up is because it's on an iPhone, but it's nothing new. Kinda stupid that they made this a news piece. Examples for Graffiti:
Stravinsky said "The more constraints one imposes, the more one frees one's self. And the arbitrariness of the constraint serves only to obtain precision of execution. " That's why he made great music.