Zoner Mobile Security play.google.com.zoner.security
The best Smart Phone App Zoner AntiVirus.
Free 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. This product has been developed in Europe where many good AV products like AVG, Avast, ESET, Avira or Kaspersky come from.