You must have Sophos Mobile Security application installed before you can enjoy the function in this application. You know how malware or virus can knock out your security application and it goes offline and not running. Sometimes your phone itself has the ability to knock your security application off and it will not run. With this application installed it is very difficult for that to happen. It will assist you in getting every privileges necessary for your security application to run uninterrupted. So your security app stay vigilant and provide online protection. That is why it is called S&A Guard . While your security application do its work . This application has its back in the background from any eventuality that may want to interrupt your security system. It is a 5 star application. No root required. It runs underground . Not power intensive. So make sure it runs a trusted application and leave the rest for Sophos Mobile Security.