From GameBrew - a wiki dedicated to Video Game Homebrew.
Japfr is an application running on Nintendo DS to learn Japanese vocabulary. It can be used with the manual "Japanese in 40 lessons" because it uses the vocabulary.
It attends the contest from PAlib in 2006.
Tested on Supercard SD.
Version 0.2 September 28, 2006
Version 0.1b September 21, 2006
Version 0.1 September 11, 2006