Mame 0139u1 Bios Pack

I'm trying to play using the mame4droid 0.139u1, but this appear when i'm trying to play any Metal Slug, any help of where i can get those files ?

The is a essential collection of system software files (BIOS) required to run specific arcade hardware emulated by MAME 0.139u1 and MAME4droid (0.139u1) . Unlike standard game ROMs, BIOS files contain the "operating system" data of the original arcade cabinets, such as the Neo Geo or Namco systems. Why a BIOS Pack is Necessary mame 0139u1 bios pack

Today, the pack is mostly maintained by the community on sites like the Internet Archive I'm trying to play using the mame4droid 0

emulator. Because MAME is designed to be hardware-accurate, these BIOS files act as the "brain" of the arcade motherboard, and without them, games from those systems will not boot. Google Play Essential BIOS Files Included Why a BIOS Pack is Necessary Today, the

No. Newer MAME versions (0.260+) have different BIOS naming and CRC requirements. You will get "missing files" errors even if the files exist.