[Q] Use Galaxy Note as Digitizer or Graphics Tablet for PC..?

Hi.... :)
i'm a graphic designer..
how can i Use Galaxy Note as Digitizer or Graphics Tablet for PC..?
i saw a video in YouTube.. (but i can't post i link)
the video named.. (( Use Galaxy Note as Digitizer or Graphics Tablet for PC ))..
i installed the apk and the client....
so what i have to do.. to make it run..??
can i run it over usb..??
or how i can run it over wifi?? cuz i don't know how..??
i want the steps.. programs.. & anything to make it run..

& if any one knows any other ways please tell me.. :)

i'll be very thankful :)

thxxxxxx very much.. :) peace..