If you don’t like TouchWiz launcher on the official OTA ROM, you can try the Darky ICS ROM which is the same thing but comes with Nova ICS launcher. This is also based on the same official Samsung OTA update, software version XXLPQ with root and ClockworkMod Recovery Touch.
Download Darky ICS ROM
Credits – XDA
Don’t know how to install ROM? See How to Install ROM on Galaxy S2!
Also refer to Galaxy S2 FAQ.
*NOTE – Please only install this ROM on Galaxy S2 i9100 series, not compatible with other Galaxy S2 phones.