Xamarin Android Binding for Feitan Smartcard Readers https://github.com/FeitianSmartcardReader/FEITIAN_MOBILE_READERS/tree/master/Android%20SDK/Lib
I am not able to test it because I have not a SmartCard reader. It's only a test to solve this problem: https://twitter.com/NijsPieter/status/1239146336915685376?s=20