The argument there for Apple is whether the App Store is a product, or a feature of their product. In Google's case they have chosen to offer their store un-bun

The argument there for Apple is whether the App Store is a product, or a feature of their product. In Google's case they have chosen to offer their store un-bundled from the base OS. Apple does not, for them it's just a feature of their phone in the same way that the stores on games consoles are features.