First, a recap: Google has been building a mobile-phone team ever since the acquisition of mobile-gadget developer Android in 2005.

FORBES: Will Google Crush The iPhone?

Android app developer TuneMe has used mobile signup ads to build an email database of app users to promote and cross sell their apps.

FORBES: 2012: The Year Your App Gets Discovered

As a mobile app developer I love my android device and use android over apple however I develop more for apple then I do for android.

FORBES: Apple, Android, Windows Phone, and 'The One Percent' of Technology Bloggers