Do you have stalkers? Maybe you are just paranoid. Maybe you just don't want to hear from your uncle Joe this weekend. There is no reason that others should be able able to ruin your day with invasion. Fahrbot's Root Call Blocker is on sale this week only! The price has been dropped from $6.99 to $2.99. There are several languages that are supported.
☆ Completely ignore spam calls and messages
☆ Your phone never rings
☆ Import large lists of numbers from files
☆ Reject unknown, withheld, private and restricted numbers
☆ Keep blocked calls and messages hidden
☆ Block area codes or countries
★ Silent/hidden operating mode
★ Google Groups integration
★ Encrypted backups
★ Clear frequent call list on Android 4.0+
Keep in mind that the application does require root access as the name would imply. Grab the app here.