Lookout is a security app for Android, developed by XDA member Sonic Design which protects your Android handset from malware and viruses.

Check also:

1. How to Install Apps on Android through Scanning QR Code
2. How to Install Off-market Apps on Android Phone
3. Lookout can also help to locate your lost or stolen phone on Google Maps with a Find My Phone feature, and also provides a backup and restore function.
4. You can download Lookout Android app through link below or by using the QR code.