Searching for the right files can be tricky. Look for these specific terms on reputable archival sites:
It supports over 8,000 unique titles , ranging from 70s classics like Pac-Man to 90s hits like Mortal Kombat . Pack Roms Mame4droid 0.139u1
Do not unzip individual game files; MAME reads them directly from the zip. Searching for the right files can be tricky