Because ROMs are copyrighted material, they are not bundled with emulators like MAME4droid (Google Play Store) . You must source the ROM pack separately:
Configuring MAME 0.139u1 to use the ROMs pack is relatively straightforward. Here are the steps to follow: mame 0.139u1 roms pack download
. While modern PC users often use the latest MAME releases, this particular version (also known as the set) remains a gold standard for specific platforms. Why MAME 0.139u1? Because ROMs are copyrighted material, they are not
If you want to play modern arcade games (e.g., Street Fighter V arcade edition or Pokémon fighting games): Because ROMs are copyrighted material
. Unlike console ROMs (like NES or Genesis), MAME ROMs are "sets" of files. MAME4droid (0.139u1) - Apps on Google Play