If you are rooted will be alerted to choose either Root Method or No Root Method. If you are not rooted you can use the application to connect, but you cannot show password unless you are rooted. No Root Method : supports only Android 5 (Lollipop) and up.
Root Method : Supported all android version but should be rooted. WPS WPA Tester has two methods to connect: It includes defaults for additional algorithms known as Zhao Chesung (ComputePIN) and Stefan Viehböck (easyboxPIN), among other PIN routers. I am not responsible for any abuse that may be made. The application was developed for educational purposes. With this app you can check whether your router is vulnerable or not, and act accordingly. Many of the routers that the companies install, their own vulnerabilities such as the PINs they are using.
WiFi WPS Tester is focused on checking that your router is vulnerable to a default PIN. This protocol allows you to connect to a WiFi network using an 8-digit pin number that usually is predefined in the router, the problem is that the pin of many routers from different companies is known or is known how to calculate it. From there, you can access WiFi points without using a password. WPS WPA Tester checks the security of your networks using WPS protocol.