How To Emulate A Usb Dongle How Do I Make My Ibook A Touchscreen?

How do i make my ibook a touchscreen? - how to emulate a usb dongle

I want to make my iBook G4 12-inch touchscreen, as I do that? " My friend told me that he was like a movie or something that goes through the screen and a USB mouse is pushed to emulate. Can someone tell me, in the right direction?