Are you running wood firmware on the r4? If not, do so and it may fix the issue. you can try launching it with this also https://gbatemp.net/threads/twl-slot-1-launcher-first-custom-dsiware-app.414501/Tried running a rom which worked on an acekard earlier without the patch, and even with the patch I just installed, it still won't run.
Lemme try something like NSMB
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Well nothing seems to be working still. D: