While downloading your ROMs, you need to keep two special categories in mind: Arcade BIOS Files
Connect your phone to a PC or use a mobile file manager to locate the directory: Android/data/com.seleuco.mame4all/files/ (Note: exact paths may vary slightly depending on your Android version).
: Includes Street Fighter Alpha 2 and The World Warrior . roms for mame 0139u1
A complete set of ROMs for MAME 0.139u1 consists of more than just game ZIP files. To avoid the dreaded "One or more required ROMs/CHD files are missing" error, you need these key elements:
Very clean file management if you want absolutely every version of a game together. While downloading your ROMs, you need to keep
MAME ROMs change over time to keep up with accurate documentation of arcade history.
Samples: Some older games (like Donkey Kong or Galaga) used analog sound hardware that is hard to emulate. MAME uses "Sample" files (.wav format) to recreate these sounds.CHDs (Compressed Hunks of Data): Later arcade games, such as Killer Instinct or Gauntlet Legends, used hard drives or CD-ROMs. These larger files are stored as .chd files and must be placed in a specific subfolder within your ROMs directory. Where to Find ROMs for MAME 0.139u1 To avoid the dreaded "One or more required
The longevity of MAME 0.139u1 is almost entirely due to its performance on mobile and low-power hardware. About ROMs and Sets - MAME Documentation
You can pick and choose individual game ZIPs. You can delete games you don’t want without breaking others.