As you know Jelly Bean 4.3 leak has been released and missing something
this ONLY for enable online music on WALKMAN (FB Music & Music Unlimited) on Xperia TX & V (Don't know T is enable by default) also enable Mirror Link System it's for USB cable control your devices (available in settings xperia)
How to Install?
- flash using CWM
- Wipe dalvik cache
How to install manual? cause i don't have CWM.
- Copy all files to system to right folder and set permissions to rw-r--r-- (644)
- Delete SemcMusic-Overlay-MUOFF-300.apk in system/vendor/overlay