Mame 2003plus Reference Full Better Nonmerged Romsets Link -

: This is the recommended format for most users. In a non-merged set, every game ZIP file contains all necessary data to run that game independently. This means you don't need "parent" files or BIOS files in the same folder; you can simply "cherry-pick" your favorite games and move them to your device individually.

I should also consider that the user might not have experience with ROM set management. Including steps or tools that are user-friendly could be beneficial. For example, explaining how ClrMame Pro can be used to manage and de-merge sets, perhaps with a brief tutorial reference. mame 2003plus reference full nonmerged romsets link

Search for "MAME 2003-Plus Reference Set Full Non-Merged." This is the most common home for these sets. : This is the recommended format for most users

Which are you running? (RetroArch, Batocera, Recalbox?) I should also consider that the user might