Vell-chan shared an english promo video in which she is playing long preview of the new songs.
https://www.youtube.com/watch?v=hR5ZqEe-J08
The songs sound very good. It's a shame that we surely won't get them as Miracles Happen. I don't like to use iTunes so I hope an album we'll be released soon like this I would be able to buy it as I did for Yummy! single.