I've opened a PR that adds fixes and improvements to a bunch of games (especially useful for regular DS models), you can see the full changelog in the commit description.
You can try those changes by downloading the new files and putting them...
Only thing drive me crazy is all these new horror games nowadays is its so dark, all time. I can't even play them. I understand they trying to create spooky but be creative a little, not just darkness with pop out scare scenes.