Though I hate to tell you but it is rather pointless as it doesnt do much of anything.
Control the toaster oven!
Have you got the files in the correct lay out some DS homebrew freaks out of it is not just the way it wants. Also ask remember it takes a while so make sure you are giving it enough time to start up
Honestly, it's useless without a Slot-2 RAM expansion, which you can't use on a DSi or 3DS. Most of the apps crash, since there isn't enough memory (the DS can't use swap space), you can't use a GUI, and you can't even connect to the Internet.