Hello vp
I have comrade who work at Nintendo. He tell me many informations on Alpha Sapphire + Omega Ruby. I use fake name, keep hide from militia. I apologize, English no so good. I also am drunk so I may mess up.

* Kecleon color varies with type.
* Klefki get mega evolution. Is key to city of Detroit. Nobody want. Is Detroit.
* Castform gets a new form of sand, type rock.
* Secret hideout return. Use trusty hammer and sickle to break rock in secret hideout.
* Wave ride speed increase.
* Groudon get Omega Evolution, Kyogre get Alpha Evolution.
* Real size Pokemon follow player. More involved in Hidden Machine using.
* Power of Secret come back as Tech Machine.