Unable to update Brawl Stars app on iPhone

I can’t update brawl stars, because if I updating bs, writing “this app is delete from App Store”. I found this hohappleid in App Store/account and where change country under this, writing hohApple ID is setting country for your account, but I don’t have any family!! I re-opening another’s Apple ID s accounts and in ALL this inscription HELP

[Re-Titled by Moderator]