Apply official-compatible fixes
– so the console runs it in standard DS mode instead of DSi mode, or patches the DSi binaries to work without triggering anti-piracy.
To understand the story, you have to remember the landscape of 2012. The Nintendo DS was the most pirated console in history. You could buy a cartridge called an R4, pop an SD card in it, and play almost any game for free. Nintendo was bleeding money to pirates.