Now you are able to Download Angry Birds for Nokia 5800 , N97, C6, X6 or s60v5 platform for free .
Angry Birds is the most popular game of year 2010 for android phones .but it is developed for Nokia Symbian^3 not for Symbian s60v5 platform .It is not available for Symbian v5 platform yet but you can download it and run it on java platform.
You are able to download this free and this file is less then 5MB only. so download an play it .
Now you can play it on your Nokia 5800 or other s60v5 phones like 5230, N97, 5530, 5233, X6 though it it not official, it is a java game version of Angry Birds.