It seems a fair few people have wanted one of these, it does not do Kanji but kana+romaji work well for me.
From GBAdev:
http://forum.gbadev.org/viewtopic.php?t=13079
From GBAdev:
http://forum.gbadev.org/viewtopic.php?t=13079
AshaiRey said:Project JDS v1.2 is out
What is Project JDS?
Project JDS is a tool to help you memorize the different Japanese 'alphabets' or hiragana and katakana.
What's in it?
- Romaji (latin letters) to hiragana
- Romaji to katakana
- Hiragana to katakana
- Hiragana to romaji
- Hiragana writing
- Katakana to hiragana
- Katakana to romaji
- Katakana writing
- Voiced sounds
- Pronouncation of each character
- Select specific sets for learning
- Number of strokes of each character
- Animated stroke order
- Stylus operated
- Help
- Progress score
Have a look here for the ROM(s)Â http://nds.zoelen.net
or see my blog at http://blog.dev-scene.com/ashairey