You seemed to have left out when Fortnite was removed from the play Store and lots of fake scam apps popped up in their place. So yes things would most likely change.
Plus there are a handful of app developers would would love to leave the App Store. Basecamp and proton come to mind. So now you have at least 3 app stores to add.
As a father of 2 kids you need to know that you owe him nothing. Just because he is your parent doesn’t mean anything.
Instead of thinking of him as your father think of him as a friend. And would you keep a friend like that in your life. If possible go 100% non contact and don’t ever worry about him again.