Most of the 2011 Xperia smartphones are receiving their ICS update and 2012 Xperia line up will be receiving it shortly.
Below is the video from Sony XP.com a Thai community website showing the Xperia S running on Google’s Android 4.0.4 Icecream Sandwich Os. End of June is the actual official date of upgrade on Xperia S but from the video below you can have a closer look on the new revamped UI and other new apps integrated into it.