EA Japan is creating a DS ninja action-adventure game called Shonen Kininden Tsumuji.
Tsumuji is the name of main character, a young ninja whose village is attacked by evil ninjas, according to IGN. This apprentice soon turns adventurer as he seeks out his answers.
Combat is controlled by the stylus, apparently, and there appears to be a secret-gathering collection theme running through the game.
There's little else to tell, apart from what can be deduced from a lone piece of concept art; simple, bright colours presented in a cartoon, anime style.
Nevertheless, we should hear more soon, as the game is already playable.