This is one of the most advanced applications when it comes to security. NetQin Mobile Security provides its users with privacy and Virus coverage using dual-engine scanning techniques as well as contacts backup and phone location detection.This app does out-perform the competition by offering a variety of interface and service features,”from an advanced user to a simple Android userNetQin Official Website”: https://www.netqin.com/en/NQ Space: https://i.netqin.com/Android Authority: https://www.androidauthority.com/