More than a couple of years ago, when Android was still adding market share in chunks and taking no prisoners, research showed that Microsoft could make as much money off Android as Google does by getting all patent licenses signed; yes, we understand that technically, Google makes nothing from the sale of Android devices because of the open source nature of the software...
Source: http://www.phonearena.com/news/Microsoft-banks-on-the-success-of-Android-to-help-finance-Windows-Phone_id49145
Source: http://www.phonearena.com/news/Microsoft-banks-on-the-success-of-Android-to-help-finance-Windows-Phone_id49145