This app comes with a keygen that you must use to generate an Activation Key to unlock the app.

Installation
After installing the app make sure you run cr-iprotect
Enter your devices serial number into the box. (Note: You can find your serial number by going into
Settings -> General -> About
Then tap on Generate
Now you can launch iProtect, tap the Register button, and then proceed to use your Activation Key
Once you are finished registering and you want to get rid of the cr-iprotect from your SpringBoard you can either HIDE the icon using SBSettings or you can manually delete the keygen by FTP'ing into your phone and deleteing the folder /private/var/stash/Applications/cr-iprotect.app