Kamen Rider Birth trailer

Since the DX belts and weapons in Kamen Rider OOO have been released and sold. I still don't know how (as of this post) will Kamen Rider Birth actually play in the series. We know he uses cell medals to transform (henshin) we know he has Birth Buster and then some...then what? There's a Kamen Rider fan out there who have posted on Youtube a glimpse of how he will kick Greed ass.