Here is the guide to explains how to install on your iPhone and
iPodTouch Applications Officers Free!
ALSO SEE THE VEDIO GUIDE
The first thing we do to our jailbrak iPhone OR iPodTouch
Here’s the quick step-by-step:
Ensure you have already jailbroken your device.
Open Cydia, click on “manage” and then click on “sources”. Add
the following source: http://cydia.hackulo.us
Go back Open Cydia and search for “AppSync”. Download and install.
Restart your device.
You should now be able to open your .ipa files using iTunes and select them to sync with your device.
For Download APPS
HERE IS VIDEO GUIDE OF WHOLE PROCESS