Livemamecab is a bootable Mame machine emulator.

Ubuntu mame and wahcade

Use mode:

- LiveCD for boot and USB key for backup data and roms

- USB key or SD card, (Caution you must create two partitions: a single containing the entire filesystem (700 Mo) and a data partition)

- HDD only, or HDD + USB key 

You must safely remove your USB drive, only when livemamcab is off !

Features:

- random play games (screensaver)

- Hardware detection and autoconfiguration, including gameports and joysticks

- Easy way to use: Burn CD and create a directory in the root of the USB drive (fat32, partition number 2) called roms and put your roms files in the directory. 
Boot and wahcade-setup -> mame-only -> setup filters -> generate 

http://numsys.eu