I got to meet the creators of Angry Birds back at E3 earlier this year, but because of our busy schedules, didn't get too much of a chance to really talk with them in-depth about their experience on the App Store so far. Fortunately, GamesBeat has done just that, providing a nice profile of Rovio's Peter Vesterbacka and Mikael Hed, the two Finnish creators of one of the App Store's most popular titles. They're actually mobile app veterans -- while Angry Birds is their biggest hit as a company, they've also developed for lots of other groups,