Max Media Launcher/Player MML and MMP are 2 different products. I have both and used them on my 4GB hdd AND 1GB CFcard. Max Media player works they way they do on hd and CF but when I used Max Media launcher I got the 2-white screens -of -death. The launcher is supposed to work well with GBA flash cards AND the Max Media Docker. But the 4GBhdd is on a Max media Docker! Unless the Max Media Docker has different innards like the MML and MMP do thenMML should work with MMD. I ordered a GBAMP and I hope that I can see for myself. MMP does not read .gba files. MML I am guessing does not read .nds files unless patched with .gba. If anyone has had same problems as I have let me know.