Jr100u ROM Download can be obtained free for MAME on EmuGames.net only. Play emulator game in English for the USA region. Jr100u is a MAME ROM that you can download to your computer or play online within your browser. You can also download roms such as Black Queen Or The Game Of Bridge and M4placbt__an that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.