If you see errors about "incorrect checksums," your BIOS pack likely doesn't match the 0.139u1 version. You can use tools like clrmamepro to verify and fix your set. Platform Differences: On Android, apps like MAME4droid
: The Internet Archive is the most trusted repository for these specific legacy sets. Look for the MAME 0.139 ROM Collection by Ghostware , which includes necessary system files like neogeo.zip . mame 0139u1 bios pack hot