A free app for Android, by ZonerAntivirus.
This is the best antivirus for mobile devices. The application checks your device for viruses and malware. It also protects you from phone calls and messages that could come from malicious or dangerous applications.
This app is very simple and easy to use.
The first thing you need to do is to install the app. It is free and it does not have any in-app purchases. You can download it from the Google Play Store.
When you have installed the app, you need to start it.
This is the first time that the application will scan your device.
You can choose the type of scanning that you want to do. It can be done on a daily basis or when the application is launched.