Avoid CHD-heavy games (Cruis’n USA, Gauntlet Legends) on phones – too slow/big.
| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | | Parent ROM missing or wrong version | Find a "Non-Merged" pack | | "The selected game is missing one or more required BIOS" | No BIOS file | Place neogeo.zip in ROM folder | | Game loads then crashes to home screen | Device out of RAM or corrupt ROM | Use MAME4droid (0.139) on older phones | | No sound / crackling audio | Audio sample files missing | Download the "MAME Samples Pack" (usually 500MB) | mame roms pack for android
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