Both versions of Pokémon are headed to the 3DS worldwide on 12th October.
The games will introduce an 18th Pokémon type: Fairy Pokémon, they may possibly balance the game a bit against Dragon types. A new feature called "Pokémon-Amie" lets players have a deeper connection with their Pokémon. They can pet them, feed them and form friendships with them.
There's also Sky battles for flying or levitating Pokémon, there's also a new Horde encounter where you can face numerous pokemone at once.