Hello, I'm trying to work .NDS files on a friend's R4 (this one, but until now I got nothing but errors). The fact that I'm trying to simply put .nds files on the right R4's micro SD folder by using a MACBOOK (lol) has nothing to do with all these problems, right? But still, I can see the games put in the correct way as you can see: Warning: Spoilers inside! Yea, there are other extra folders. But I don't think that's the problem since a bit of them don't have them. All the other games put works fine, but these I show...don't. Gyakuten Kenji 2/Prosecutor's Path and Tomimeki (already patched) and One Piece Gigant Battle just don't work. Here the messages for each ones: Warning: Spoilers inside! (the loading of Tomimeki lasted a little longer than Edgeworth's, and for One Piece it gaves the same thing of the latter) Do you have any advices to resolve this? Is the R4 fault? I doubt it's the ROMs since they would work pretty fine on desMume. I apologize for the bad grammar. Best regards. EDIT: WOOOPS, my mistake! Could you please move this thread on the DS section, please? Thanks!