Most probably that guy is afraid to upload because he is scared to do so after what happened to that Australian guy when he got the leaked Mario stuff.
i think what you say is very much possible. using nitro explorer you should search for the files containing the graphic files. you would obviously need a program to edit them. maybe no program has been made till date coz nds hacking is in its starting stage.
as for the audio, it is easy. there...
A proper explaination why i cant continue.:-
1. Lack of knowledge. Some original programs were made by grovyle91. They do have some problems.
2. The game is in Japanese. I am an Indian. I know little Japanese. When we had grovyle91 and more members we could collectively research. But now i am...