This application both blocks unwanted calls and helps manage a blacklist.

VIATUN 4 VPN is easy to use VPN service powered by data compression and antivirus

Safe Browsing Anti-Malware offers a mobile browsing experience free of Malware and Phishing in any app or browser.
Once a website has been suspected of containing Malware or Phishing it is blocked immediately, protecting the user from being offended.

Best android parental control app with child lock that can childproof your device.An app launcher with parental controls & child lock that protects your personal data and restricts kids to apps you have approved. Kids Place also prevents children from downloading new apps, making phone calls, texting or performing other actions that can cost you money.

Free, top-rated, real-time antivirus and anti-theft protection for Android™ devices.

UU Uninstaller fast uninstalls or freezes pre-installed (system) apps and easily restores them in a safe way.