Homebrew change .nds files

[oneesli]

i dont know if this is the right place to post this but is there a program like DS Game Maker that can change .nds files?

?

 

[ca_michelbach]

I don't completely understand what you're asking, do you mean a program that will allow you to edit the actual game? or just changes to the file extension?
If you're talking about rom hacking go here http://gbatemp.net/t73394-gbatemp-rom-hack...ion-project-wip

 

[fearofshorts]

Good luck!