This is what i was looking for
Is there a way to distinguish between a "normal" play list and a Smart play list? In Apple Music App they have different icons before the name:
My other question about Custom Tags (And favorites too) is: How could i save this custom fields when i update a Platform. For example if download new Romset for SNES, remove the old one from LB and import the new one. Would this fields be saved somewhere?