>good plot with interesting well written characters
>unique evil team with not too over the top goal
>post game focused on exploration
>great amount of new pokemons, between 90-100
>cross evolutions and more eevelutions
>hard mode in the beginning
>age and clothes customization
>the player can chose it's own trainer class (a new mechanic maybe)
>not so linear region, in pokemon world it means being possible to chose lots of route to reach the same place.
>no hms
>an improved version of pokemon refresh with more features.