So i made this theme with help from https://gbatemp.net/members/simsoy.333332/ tutorial. I haven't tested it yet but if you guys find a mistake in it you have the permission from me to fix it. Anyways hope you enjoy!
I may try the new ram site, and download more RAM to my Switch. Not sure if ddr3 is the right ram
for it tho. Edit- no it uses floppy Ram, just like @AncientBoi