to answer your questions. 1.osman runs fine on coinops. nba jam games/use mamexb6 or mameox 0.72 because in coinops the gameplay will be jittery,you will get full framerate with sound turned off of course. night slashers use coinops. nhl 2on2 use mameox 0.72. raiden fighters games,only raiden fighters 2:2000 works in coinops and it plays well. wrestlemania arcade game,use mame0x 0.72 or i am sure it works in final burn legends. lucky and wild is not emulated properly,needs updated driver. gaiapolis,sticks at ram rom screen. jurassic park plays fine on coinops. 2.to pause/play on coinops hit the back and white button together to play/pause. 3.you do not unzip your roms when you ftp or just generally move them around. 4.mameox 0.84 and coinops are fine on your xbox hdd as they both use different gamesaves.