hi i have a 4200 mame games- most of them not working' - so i want to put all the games that work in favurite - after i do it i want to delete all the rest... how can i do it not manualy ?
i think you need to read up on how arcade roms work and how to rebuild/validate whatever you have.
here is a few good links to get you started:
Hi you can use ARRM to tag your favorite games and delete those you don't want
link : http://jujuvincebros.fr/telechargements2/file/10-arrm-another-recalbox-roms-manager