Hello friend , it is important app to protect your device from virus .this is a cool app to help remove to virus from phones that’s called it antivirus. This is a best antivirus app for mobile phones. They will be protected your phone automatically for virus . Virus damage the phone avast mobile security helps to stop that virus to damage phone .I am utilising avast for 2 year. Cool features are WiFi checking , app locking , anti theft process , cleanup system etc . Major function of avast security is protect users from the attacking of malware . Avast take less space in phone , design are awsome . Avast mobile security is very helpful for mobile protection