MAME (or Multiple Arcade Machine Emulator) is an open-source arcade emulator that is available in ports for many different systems. This category covers these emulators and utilities for it, for instance frontends.
A frontend is a program to handle the parameters to MAME and giving it a more user friendly interface than the rather complicated command line parameters.
MAME is a multiple arcade emulator not only because it emulates many arcade games and many different kinds of hardware, MAME is also made to be ported to various computer systems. This category covers these ports.