Noobie question

Got my flipper in the mail box today and I'm already in love with my new little fella! Btw i would like to pass photos from my game boy camera to my flipper/phone. i already installed the app but my question Is: if i buy a GB link cable, cut It and attach gpio pinns at one end of the cutted cable Will It work or i Need the PCB anyway? Does anyone already tryed this method? Thank you in Advance for the help