Avast Antivirus
Avast Antivirus application is used by more than 400+ million users. Avast Antivirus is the best antivirus application. Because there are extra options and features. Also, it is fast too. It fixxes your memory, battary, and performance issues about your phone
✔ Antivirus Engine
✔ App Lock
✔ Anti-Theft
✔ Photo Vault
✔ VPN (virtual private network)
✔ Privacy Permissions
✔ RAM Boost
✔ Junk Cleaner
✔ Web Shield
✔ Wi-Fi Security
✔ App Insights
✔ Virus Cleaner
✔ Wi-Fi Speed Test
https://play.google.com/store/apps/details?id=com.avast.android.mobilesecurity