Btw I should add that the developer (Rovio) is working on an Android version of the Angry Birds. If you've got 4 million downloads for a paid iPhone app in 3-4

Btw I should add that the developer (Rovio) is working on an Android version of the Angry Birds. If you've got 4 million downloads for a paid iPhone app in 3-4 months, it makes sense to develop versions for Android etc. The article quotes Chillingo who are the "publishers" of the iPhone app