All Credits to: nkodder
1. Download bellow
2. Install iGameGuardian 6 crack and reboot your iDevice.
3. Once you have rebooted, open iGG 6.
4. Open Cydia again remove igg 6 & install iGameGuardian 7.0.1 from the above repo.
5. After installing, iGG 7.0.1, open iGameGuardian 7 and it will work without getting stuck on Processing…
I tested this on iPhone 5s, iOS 8.1.2 & it works!