Yo-Kai Watch World is an AR game like Pokemon Go for iOS and Android devices. Presently available only for Japan region app store. Not sure if it will be available outside Japan, despite the app name uses the word 'world'. After all, the game is set in places all over Japan. For further details, see below links;Source:
https://youkaiww.gungho.jp/
https://gematsu.com/2018/06/yo-kai-watch-world-announced-for-smartphones