I rarely if ever write about iPhone apps updates but today I felt compelled to do it for 2 reasons. One, Angry Birds is freaking awesome. Two, this game is a good example of what every iPhone developer should do.

Unless you’ve been under a rock for the last few months, you most likely have heard of Angry Birds, a game where you have to throw birds at evil pigs. Sounds terrible, doesn’t it? It is however as addictive as heroin, so play with care…

This new update includes the following:

– GAME CENTER SUPPORT
– RETINA DISPLAY SUPPORT
– 15 TOUGH NEW LEVELS
– AN AWESOME NEW GOLDEN EGG SOUND BOARD
– LOCALIZATION FOR EFIGS, CHINESE AND JAPANESE
– OPTIMIZED MEMORY USAGE

While I couldn’t care less about the new Japanese localization feature, I am really excited at the Retina Display support and most importantly, the 15 new levels. And this is part of what makes this app successful.

Rovio, the company behind Angry Birds, updates the app on a regular basis, offering new levels and more features to the players. Unlike many apps in the App Store, you do get more out of it as time goes. It is a smart move from Rovio as they are almost guaranteed to get news coverage every time they update their application.

So, if you don’t have Angry Birds yet, go get it now! It’s only $0.99. Oh, and because bigger is better, it’s even more fun on the iPad.