Fairly impressive display of the real-time video mixing capabilities in iOS: http://www.youtube.com/watch?v=_5Oc1wWb_XQ&feature=youtu.be more info on the app here: http://www.macotakara.jp/blog/index.php?ID=15211 http://itunes.apple.com/jp/app/action-movie-fx/id489321253?mt=8&ign-mpt=uo%3D4