I try in PPSSPP too but the issue still there, it just flash for a while, you can see certainly in this video, start from 1:35
https://docs.google.com/file/d/0B56mHPzJEnALVE90cWJRbEVXZFk/edit
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