I would have talked about the smart glass but I already talked about it in an early article a week ago.
The demo will feature a level for Ayane and Ryu Hayabusa. You will also be able to gain karma and ninja skills which will transfer over to the retail game.
Ninja Gaiden 3: Razor’s Edge will be released by Tecmo Koei in North America on April 2nd, Japan on April 4th and Europe on April 5th for the Xbox 360 and PS3. The Wii U version is available now.