Share your experience!
See if you can sideload it from here:
http://forum.xda-developers.com/showthread.php?t=2376305
If you have lollipop,touch block is now implemented in camera settings.
Go to camera-tap on 3 dots-select settings and scroll down to touch block.
In this case,there might be compatibility issues. Contacy sony for further help:
http://www.sonymobile.com/global-en/support/contact-us/