Pokemon Stars for the Nintendo Switch will be released July of 2018.It is a revisit to Alola with many notable changes.Since Sun and Moon,the rule of Trial Captains having to be under 20 has been lifted so these are the captains and Kahunas.
Melemele Island
Ilima-Normal types
Molayne-Steel types
Masked Royale-Fighting types
Pou'li-Dark types
Kahuna-Hau-Psychic types
Akala Island
Mallow-Grass types
Kiawe-Fire types
Lana-Water types
Kahuna-Kahili-Flying types
Ula'Ula
Sophocles-Electric types
Ole-Ice types
Plumeria-Poison types
Guzma-Bug types
Kahuna-Acerola-Ghost types
Poni
Pohaku-Rock types
Mina-Fairy types
Kanu-Ground types
Kahuna-Ryuki-Dragon types
The evil team is Team Formula,who wants to liquidize Z-Crystals into energy,so they can have a Necrozma of all types.Necrozma has a new from call Z-Star Form which makes it so its a Psychic and whatever type its Z-crystal is.If it has no Z-crystal or its the Psychic crystal its pure Psychic.It has a new move that matches its Z-crystal called Star Shooter.
Elite 4
Hala-Fighting
Olivia-Rock
Nanu-Dark
Hapu-Ground
Champion-Lillie
You visit Kanto in the Postgame and learn of what Lillie did.You can link with Sun or Moon and several flashbacks will occur,and if you beat the elite 4 and champ,your trainer with your first team entered will be there team,except only the Pokemon,and if its not evolved it will evolve.A specific set for the Pokemon is determined,so it wont have your item/abilities/moves.
The starters are they same as in Sun and Moon.