Samsung Korea just unveiled some details of the upcoming Jelly Bean update for the Galaxy S II.
it brings a completely revamped system. One of the main changes is justified with re-partitioning of the memory system to accommodate all the changes.
You should also expect improved home screens and scrolling performance. Moreover, there are new preloaded apps like Help, Google+, GTalk, Google Play Book and Google Play Move.
Also, there will be some new and improved functions like easy/block mode, updated camera app, Smart Say, pop-up video play, and so on and on.