Lookout Security & Antivirus APK is developed by NQ Security Lab is built with hi-end algorithm both on cloud and device. It also lets its user to make use of faster scanning and faster virus detection to give best results.
One of the most useful things of this android application is that it is light-in-weight and consumes lesser of phone memory and power.
You can download this for PC and run it using Bluestacks on PC. We at startappsforpc have already tested this app and it runs perfectly.