Yeaha. I already did it when i not ever found ICS. It run good.
The Toolbox will backup your resource file first then modify your resource.
With the 10%, it notice and will ignore or replace by it way. But run good.
Sent from my DROID2 using XDA
1. HTC One M7 red - Android Revolution HD 53.0 (ARHD) with ElementalX kernel
2. HTC One X+ White - Android Revolution HD 8.0 (ARHD) with Elite kernel