Acquire the official MAME 0.159u2 DAT file, which acts as a blueprint database of all correct file names and hashes for that specific build.
Split sets keep parent games and clone games in separate zip files, but the clones rely on the parent zip file to run. Mame 0.159u2 Roms
As noted on EasyEmu , do not unzip the ROM files. MAME reads directly from the zip archive. Acquire the official MAME 0
Larger 3D arcade games from the late 90s use Laserdiscs or Hard Drives. These require CHD (Compressed Hunks of Data) files. Place these files in a subfolder named exactly after the game ROM inside your main ROM directory. MAME reads directly from the zip archive
This article would be incomplete without addressing the legal "elephant in the room." Downloading occupies a grey area. The emulator (MAME) is legal—it is open-source software. However, the ROMs contain copyrighted code and artwork.
on Android, you need ROMs that are compatible with this specific vintage of the MAME core. MAME ROM sets are version-specific; using ROMs from a different version (like 0.139 or 0.260) often results in "missing files" or "incorrect checksum" errors. MAME Documentation Key ROM Requirements for MAME 0.159u2 Version Match