Finally did a video of the entire process, sorry I didn't try to teach anyone how to solder :3 It's not my strong point. I'll be adding a video soon showing finer details of actually soldering the chip directly to the PCB.
Custom Gameboy artwork - Haunter by Pullip_Princess and the modding by myself - MrCrono666.
Backlight, Bivert chip and screen protector from HHL - handheldlegends.com
Buttons from Kitsch-Bent.com