We all know review scores from Famitsu are completely useless, but it's still the first "review" of the game we've had. For comparison, Sonic Forces got a 35/40 and Mania a 32/40. It's stil far from GOAT nintendogs with a 40/40, so don't get too excited either.
Source: https://gematsu.com/2019/05/famitsu-review-scores-issue-1588
Source: https://gematsu.com/2019/05/famitsu-review-scores-issue-1588