How:
1. You must have iTunes installed
2. Set/Edit your iDevice's date to June 2, 2014
3. Open the PanGu.exe file
4. Click the black button to the right, UNCHECK "THE CHECKMARK" where you see random characters (Chinese characters) and the "PP")
5. Wait until the PanGu app will appear on your iDevice
6. Tap it
7. Select Continue
8. Wait for it, when process is 80% and your iTunes will be opened
9. Close iTunes
10. Your iDevice will be rebooted
11. When it opens again, wait until it completes to 100%
12. Your iDevice will reboot once more
13. Process will be finished 100%
14. The PanGu app will be replaced with Cydia
15. Do your usual Sydia stuff and continue with what you wish to install
16. For precautionary measures and security, install Complete PPSync Remover (on http://cydia.angelxwind.net repo) because even though you uncheck the "PP" on step 4, it installs it anyway (internally without the app showing)
ENJOY!!!
But reminder, do it with your own risk.