Almost every week we come across a new hack affecting Android devices. Android Vulnerability Test Suite (NowSecure) is a free vulnerability scanner that scans your Android device for 22 known device vulnerabilities. Free, open source Android vulnerability scanner tool is “meant to show the end user the attack surface that a given device is susceptible to” Android VTS vulnerability scanner is an open-source project from a known and trusted developer, users and security researchers can file bugs or other issues on the GitHub repository.
Source: https://thehackernews.com/2015/11/android-vulnerability-scanner.html

