Simple call blocker

Simple Call Blocker can reject unwanted calls,Specific call automatically. If you have been annoyed by spam calls from salesman, or if you want to reject calls from anyone, you can just add the number to blacklist and let Call Blocker do the job. This app is light-weighted and stable,this app size is less than 1Mb, cost very little memory and CPU resources.
Features：
1. Blacklist, add numbers to blacklist to block
2. add numbers that don't need to block to whitelist
3. Record logs of rejected numbers
4. All call Block modes