Yo-kai Watch 4++ is an updated version of Yo-kai Watch 4 with new content for the game, there will be new areas like "Blossom Heights" and “Cauldron-Boiled Hell”, a new Yo-kai to befriend, a new boss and a new multiplayer mode.
The Switch version of Yo-kai Watch 1 will have online multiplayer
Why did Yo-kai Watch failed in North America?, by Cory Roberts, Shinkansen Retrogamer
Yo-kai Watch 4++ Announced For PS4 And Switch, Releases In Japan On December 5, 2019 - Siliconera
Yo-Kai Watch 4 May Never Come West (But It Should)
Yo-kai Watch 4 - We're Looking Up at the Same Sky Complete Soundtrack (2019) MP3 - Download Yo-kai Watch 4 - We're Looking Up at the Same Sky Complete Soundtrack (2019) Soundtracks for FREE!
Main Page Yo-kai Watch+BreezeWiki
Yo-Kai Watch 4 – NintendoSoup
Yo-kai Watch 4++ Announced For PS4 And Switch, Releases In Japan On December 5, 2019 - Siliconera
Yo-Kai Watch Tried To Rip Off Pokémon And Failed
Level 5 Yo-kai Watch 4++ for NINTENDO SWITCH REGION FREE JAPANESE VERSION : Video Games
Yo-Kai Watch 4++ Announced for PS4 and Switch - Niche Gamer
Level 5 Yo-kai Watch 4++ for NINTENDO SWITCH REGION FREE JAPANESE VERSION : Video Games
Yo-kai Watch 5: Tales from the Great Beyond, nyan!!!, Fantendo - Game Ideas & More
Yo-kai Watch 4 receiving free updates in July and August, DLC with multiplayer and more this year
Yo-kai Watch 4: We’re Looking Up at the Same Sky : Video Games
Yo-kai Watch 4: We're Looking Up at the Same Sky