Well there's multiple reviews but each person did there own test. Some put a good amount of application which protects the phone while others put hardly. There's one video that shows that even if the phone gets scratched you can wipe/buff it away.
Sent from my HTC One X using xda premium
Nokia N95[/COLOR] -> (T-Mobile)
HTC Dream -> (Sprint)
HTC Hero -> Samsung Epic 4G -> (T-mobile)
HTC Amaze -> Samsung Galaxy S2 Titanium -> (Straight Talk)
Samsung Galaxy S2 I9100 -> Galaxy Note N7000 -> Samsung Vibrant T959 -> HTC One X -> Galaxy Nexus