Gogle is fairly open but for some reason another app store hasn’t made it big
Samsung has their own app store which I presume does reasonably well in their ecosystem, and Amazon maintains their own app store for Kindle. F-Droid is also reasonably popular with the open source and privacy focused crowd.
Samsung has their own app store which I presume does reasonably well in their ecosystem, and Amazon maintains their own app store for Kindle. F-Droid is also reasonably popular with the open source and privacy focused crowd.