Yo-kai Watch 4 coming to PS4 - Gematsu

Yo-kai Watch Busters 2 announced [Update] - Gematsu

New Yokai Watch game in development by Level 5

Yo-kai Watch 4++ Releasing in Japan in December - RPGamer

Yo-kai Watch 4++: New area, Yo-kai and Pura Pura Blasters

Yo-kai Watch 4 Release Date

Yo-kai Watch Jam: Yo-kai Academy Y – Waiwai Gakuen Seikatsu for PS4 launches October 29 in Japan - Gematsu

Yo-kai Watch 3 is in the works, more details next week

Yo-kai Watch 4 details GeGeGe no Kitaro side quest, gacha machines, character growth, and yo-kai befriending system - Gematsu

Yo-kai Watch 1 for Nintendo Switch screenshots - Gematsu