According to fliers handed out at Comiket, Mahou Shoujo Taisen: Magica Wars will be getting a Vita game this Spring, along with its upcoming anime in April. The game is a free to play, side-scrolling action/adventure game.
Article + more images: http://www.inside-games.jp/article/2013/12/30/73268.html
Website is open as well: http://www.galatgames.com/vita/