Microsoft is reportedly cutting their Android patent fees in return for manufacturers pre-installing apps such as Office, OneDrive, and Skype on Android devices

Microsoft is reportedly cutting their Android patent fees in return for manufacturers pre-installing apps such as Office, OneDrive, and Skype on Android devices, so it's definitely not prohibited: http://www.androidauthority.com/microsoft-cuts-patent-fees-for-apps-600824/ http://www.androidauthority.com/microsoft-cuts-patent-fees-f... Samsung is also notorious for pre-installing TouchWiz apps that duplicate functionality provided by Google's apps.