I saw some Japanese guys tweeting about this, it's basically gameplay in HD...beautiful game, you have to understand too these are some super veteran guys working on these Namco Generations games. It's so cool that they can adapt and make games look modern
http://www.gametrailers.com/video/space-blast-galaga-legions/717012
http://www.gametrailers.com/video/space-blast-galaga-legions/717012