New to Windows Phone and designed by Nokia, this invaluable setting blocks unwanted calls and SMS. And it's available only on Nokia Lumia phones. This app sits within your phone settings and integrates seamlessly with your call history and messaging. It's easy to set up and straightforward to use. Features: - Block incoming calls and SMS based on your own blocked numbers list - Add blocked numbers from Call History and Messaging - Display the number of blocked calls and SMS from a Live Tile Additional features for China: - Block incoming text messages based on system keywords - Update system keywords manually and automatically - Find the registered origin of a particular number New in version 1.7.1.4: - General fixes and improvements Exclusively for Nokia Lumia