A collapsible side window provides access to your game library, which you can filter by Good and Favorites. In terms of the user interface, the developers have done a great job of adapting MAME for Windows to the Mac aesthetic. We just want to give you awareness of this gray area that exists. In practice, many of these games have been abandoned and their copyrights are no longer challenged. In theory, you should only have a ROM image if you own the ROM chip. ROMs are in somewhat of a legal gray area, and the facts for you will depend on your local jurisdiction.
Peer-to-peer sharing is also a popular way to download and share these games. These are often referred to as ROMs, and there are many sites online where you can download these ROMs and add them to your collection. One of the most exciting aspects of MAME and thus MAME OS X is that there are thousands perhaps tens of thousands of classic arcade video games available. The native aspect is important if ROM support parity is ever to be achieved with the original MAME program. The goal here is to recreate the MAME experience in a way that is native to Mac. MAME OS X is a native port of MAME, which is a Windows application, for the Mac operating system. The games themselves are ROM images, which contains the data that was once stored on a ROM chip.
The goal of the program is to emulate the hardware environments that allowed classic arcade games to run as well as provide a convenient user interface. The MAME program is freeware and open-source.
MAME is an acronym that stands for Multiple Arcade Machine Emulator. MAME OS X is a Mac port of the popular emulator for Windows.