It includes front panel glass, Digitizer and flex cable connector. LCD is not included.
Repair work does need professional skills and lots of patient. It can take hours. You also need some extra tools like suction cup case opener, philips screw drivers, double sided tape...
Professional repairing skill is required. If you don't feel comfortable doing it, we recommended you hire some professionals to do the replacement work for you.
Here is some iPhone 3G front glass replacement instruction we found on the internet, it's for your reference purpose only. We do not responsible for the contents. And we are not responsible for any damage might happen during your repairing work.
Compatible with iPhone 3G only, it will not fit iPhone 3GS.