My understanding is the Z uses Dragontrail on the front.
With Gorilla Glass on the rear.
Apparently the reason for the rear being Gorilla Glass, it allows the different colour finishes the Z is available in.
Google Glass, which recently received its official update … more
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?