This is the original Z keyboard from Xperia Z dump
The keyboard is really sharper and the blue color is more brighter from Xperia V keyboard
If someone can make themes apk from Xperia Z dump to wrok
the keyboard will change color of blue swipe and the capital letter indicatior color
Download the zip ==> http://devhost.xda-developers.com/J2H
Boot to Recovery
Reboot and Enjoy and Press Thanks if you like it !