NetGuard - NetGuard
Padvish Antivirus for Android - An antivirus scanner for all types of malware for Android devices.
AFWall+ - AFWall+ (Android Firewall +) - iptables based firewall for Android
Kaspersky AntiVirus - Download the best FREE antivirus for Windows-based desktops, laptops, & tablets and get the core protection against viruses, spyware, phishing & dangerous websites.
Mobiwol - Mobiwol is a NoRoot Firewall
Emsisoft Mobile Security - Protects your Android smartphone and tablet from dangers awaiting on the Internet.