This patch is meant to allow you to use Dream Radar or Pokémon Transporter without using a physical version of the game. This allows you to use Dream Radar or Pokémon Transporter together with Twilightmenu.
I know of no video, but here is a...
That sounds pretty odd. I don't see how the display of 0 fps should affect ntr viewer at all. It also sounds like a problem with ntr viewer itself, because displaying 0fps when there are, indeed, zero frames per second, is intended behaviour...
I guess I took some wrong assumptions. It's true that just because the CPU technically supports GBA games, that doesn't mean that it is possible to use the hardware configuration of a specific device to run these games. Thanks for the clarification!
The DS has an ARM9 and an ARM7 processor, enabling GBA support by utilizing the ARM7 processor, similar to the ARM7 processor of the GBA. This ARM7 processor didn't get removed in the DSi, as this processor is also being used in DS mode...