That's Muramasa: The Demon Blade to some of you
Muramasa: The Demon Blade is still one of the best Wii games available, and it's coming to the PlayStation Vita in Japan on March 28th.
This new trailer shows off the beautiful new visuals, and gives you a general outline of the game (in Japanese), as well as new features like what seems to be downloadable characters (we already know DLC is coming).
As Conrad succinctly put it, Muramasa didn't do so hot in the states, so I'm not fully confident in a western release yet, despite the rumors. If it does hit stateside however, I'll be getting it for sure.