DraStic

Yes, there is. You just have to edit the screen's size in the Layout Editor.

Try ejecting your SD card in software and then inserting it back again. I had that same problem and this helped me solve it.

Maybe the cheat is the problem here. Are there any others available that accomplish the same thing?

Did you pay for it? I've seen this issue happen mostly on pirated versions of the emulator.

If you are trying to access Pokémon transfering from GBA games, then I think you'll need access to Pal Park, which requires having both beaten the league and gotten the National Dex, which requires having seen every Pokémon in the Sinnoh Dex (I think the number is 210, but I might be wrong on that ...

Yes. You can thank Google and their scoped storage BS for that. All you can do is wait for a future update.

I don't think you have attached anything. Is there something wrong on your end?

Are you using Android 11? If so, you are gonna have to wait for a future update to solve this issue.

I'm afraid that, if development continues to be stale, then melonDS might end up being the better alternative (which is free btw), people will stop buying Drastic, and further development will become hard, if not impossible.

Just disable the Start and Select buttons and that shouldn't be a problem.