“Hot” usually means active torrents or fast HTTP links — but these change often. A stable, legal starting point for research is:
: Another popular repository on Archive.org specifically curated for 0.139. mame 0139 romset download hot
For years, the default version of MAME installed on these systems was based on the 0.139 core (specifically the mame4droid and imame4all forks). Because the Raspberry Pi’s hardware is limited compared to a desktop PC, it struggles with the intense demands of modern MAME. Version 0.139, however, is lightweight and optimized. “Hot” usually means active torrents or fast HTTP