FP125: ok, i can't understand what you can't understand ... let's try following steps 1) copy game images with name game.bin to /home/user/MyDocs(when connect your n900 to PC it's just something like N:\ | /mnt/n900/ | /media/n900 (aprox. 28gb drive)) 2) open psx4m-gui 3) tap title -> gui config -> rom directory 4) select Nokia N900(or bluetooth name) that at top of dialog, right from up directed arrow 5) tap above dialog to close it 6) close application psx4m-gui by clicking X in upper-right corner of screen 7) reopen psx4m-gui 8) you should be able to see game.bin bellow title bar ...