The official Pokémon movie website has updated. Translations follow:

A Tie-in Event Will be Held at Huis Ten Bosch to Commemorate the Movie's Premiere!

A "Pocket Monsters the Movie: Everyone's Story" tie-in event will be held at Huis Ten Bosch!
You'll be able to go on a really fun Pokémon rally event,
as well as take photos together with Pikachu!!
The event will last from Friday July 6th to Friday August 31st, look forward to it!!

Source: http://www.pokemon-movie.jp/news/?p=3313