How to Check compiled .exe or .dll assemblies to scan platform Specific code ?

In xamarin Scan  providing online support for our library how much platform Specific .we need to follow 3 steps, after that we will get know how much % it will support

Select compiled .NET libraries or executable (.exe or .dll files) and the scanner will identify platform-specific dependencies in your code, as well as provide suggestions for how you can make your code mobile-ready.

click below link for scan your executable file

                                               http://scan.xamarin.com/