Google isn't forcing anyone to use their services on the Android. Unlike the iPhone, the app API exposes all the device functionality used by the Google-made a

Google isn't forcing anyone to use their services on the Android. Unlike the iPhone, the app API exposes all the device functionality used by the Google-made apps, so any other company could easily build a competing ecosystem for the Android. What's more, Google doesn't even control the Android OS itself; it's completely open source.