Not only is Level-5’s Yo-kai Watch 4 confirmed a presence at Tokyo Game Show 2018, but off-screen gameplay footage (less than a minute long) has already been shared to the likes of Twitter and you can see it right here:
妖怪ウォッチ4 pic.twitter.com/Z4Qvkufy1c
— ティーハマ (@hamatea) September 20, 2018
Source: @hamatea (Twitter)