The studio that brought us Izuna: Legend of The Unemployed Ninja are quietly working on a new title for the Nintendo DS.
On Ninja Studio's product page they have revealed that they are working on a new, top secret title for the DS.
Ninja Studio is known for their DS efforts which include Izuna: The Legend of the Unemployed Ninja and D3 Publisher's Tactic's Layer. Including this unannounced title, they have created six titles for Nintendo's handheld so far.
No release window for the game is known as of yet.