It was revealed in Japanese gaming magazine Famitsu that Way of the Samurai 4 is a PS3 exclusive as opposed to Way of the Samurai 3, which was released on the Xbox 360 and the PS3 under the banner of Agetec and UFO Interactive.
Other details, like the fact that you will be able to chose from four heroes as your character in the beginning of the game, were also revealed in the issue of the mag.
No release date has yet been announced.