The developers behind the project FreeXperia has not only released aClockworkMod-based recovery for the Sony Xperia S but also an unofficial version of CyanogenMod 9th

ROM might be something for Sony Xperia S-users rootade entities thatwant Ice Cream Sandwich and prefer Android that Google created it.Among the features are still missing mention HDMI, FM radio and ANT +.

Otherwise, it seems mostly to be working correctly and the project seems to be appreciated. The installation is of course at your own risk but if you want to take a closer look at FreeXperia, it is wise to visit xda-developers. Tips on multi-ROM’s for Sony Xperia S are welcomed!