This app is designed to let you make your own c2z patch on your phone and no need to use PC.

It's easy to use,select Options - Generate,and wait for a monent.
The c2z patch is generated in E:\c2z.rmp.
Cut it and paste it to E:\patches,open Rompatcher-- apply.
Enjoy!!!

Indeed to use this app,you should install pips1.03 first(1.05 may cause some problems).
