Lookout Mobile Security Android app Review NEW: Lookout has a new look! Winner of Best Android App. Antivirus - Block viruses malware - Scan every app installed Backup - Contacts, photos, call history - Access data online Phone Finder - Locate phone on map - Activate loud alarm All for FREE. Std txt data rates apply. Anyone that uses their smartphone for downloading a lot of personal information should have some type of protective app to keep all of their information safe. The Lookout Mobile Security app is a great way to do that and it is totally free. The other nice thing is that you can upload all of your sensitive information to a web portal where you can access it in case something unfortunate happens to your phone. This really is one of the better protective apps because it also offers the ability to track your phone when you lose it. Voted 4.4 out of 5 stars by Android app users and the app is currently available for download for free.