Avast! Mobile Security: For Android - Free
Make mobile threats cease and desist on Android devices with Avast! Mobile Security, a virus and security app that receives updates to threat and virus definitions. The app scans for viruses and also can add a firewall. It protects against infected URLs with real-time alerts, and has an anti-theft component that can remotely lock, wipe or track GPS. An audio siren can also be activated through SMS commands. Once configured, Avast! Mobile Security can disguise itself or become invisible to help avoid deactivation.