Hi. I have tested with nostalgia 5 and I have been able to load all the roms with a simple command line. I leave for whoever serves:
when you add or edit the emulator "Nostalgia 5" you just have to put "-L" in the tab "associated platforms" I leave the image
http://prntscr.com/i7itr2
http://prntscr.com/i7iuaw
Enjoy!!!