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You would have to install the 'Xposed Installer' app before installing this.
Features (SYSTEM) : You can adjust the Navigation Bar's height, hide the 'Take Screenshot' menu in the Power
Dialog, Wake the device with the volume key, Disable the LED while it's charging, Disable the scrolling cache and include Advanced Power Options.
STATUS BAR : Hide alarm icon,volume icon and battery percentage.
Download the Xposed Installer from here : http://forum.xda-developers.com/showthread.php?t=1574401
*This app has only been tested on the Xperia Z, Xperia V and the Xperia T/TX.