Google will do anything it can to get apps on its store, but let's face it, Apple has the better apps. Because Apple has the better apps, they want to choke off Android while trying to incentivize more devs to make apps for them, so they have a client stack that is as different from Google's as possible to make it hard for devs to switch over.
The world thinks about the online world in terms of a network layer (The Internet) and a software layer (The Web). It's no longer so simple. I propose that we refer to the new network layer -- the sum of the wired Internet and the mobile data infrastructure for cellular and Wi-Fi -- as the Hypernet.