The best free antivirus.

Zoner AntiVirus® is a modern security and anti-virus solution for your device. It provides protection against viruses, dialers, trojans, worms, spyware, adware and other malware as well as phone call and message protection.

You can test the antivirus using applications containing the EICAR test file, like Zoner AntiVirus Test.

This app works on both mobile devices and tablets. You can switch the layout in settings.

Also try the pro version Zoner Mobile Security!

Features provided:
* Installed app protection
* On-access and on-demand scan
* Permission viewer
* Automatic and manual database updates
* Home screen widget
* Secure messages

App protection checks all newly installed applications for malware. You can scan any old installed applications from the menu.

On-access protection scans any downloaded files and optionally the whole SD Card when plugged in.

Secure messages are encrypted messages that you can send via SMS, email, facebook, twitter, etc.
Zoner AntiVirus uses strong encryption to send selected messages in unreadable form. The recipient can read those messages only when he has the right key (password).