Pokemon go plus, the better and refined version of pokemon go is going to be launched this september previously it was supposed to be launched in July.
As announced by Nintendo on twitter and facebook:
âś”@NintendoEuropeThe #PokemonGO Plus accessory will arrive in Sept. instead of the originally expected end of July. Thanks for your patience, Trainers!
11:31 AM – 27 July No one knows the reason why its release is withheld, Now it will be available by 30 sept., 2016 How is it different from pokemon go?It  will be a small device that will let [...]