Two of those 400k Android apps are mine, one is free with ads and restricted, and the other is paid. So duplicates of the same app have to be considered. And

Two of those 400k Android apps are mine, one is free with ads and restricted, and the other is paid. So duplicates of the same app have to be considered. And most of them are junk apps, poorly built, thrown together by some experimenting devs testing the water... Like me.