Sorry if this sounds stupid, but (if they are real) why would all the dialogue and the title and subtitle be written in Japanese and then "Game Start", "Wi-fi Connectivity", etc, written in English? I know a lot of English is used in Japan, but still, unless you can tell me why its completely ordinary, it seems a little unusual to me. Just a thought.
If they are real though, I don't mind the art style (much better than PoR and DoS anime styles), and a little reusing of textures and whatnot in these shots doesn't really indicate that the game is going to be completely loaded with reused enemies and backgrounds. Though to be honest I expect it will be...