Host Card Emulation on Android -

what need emulate actual visa or mastercard banking card using host card emulation rather sample loyalty card? code based on android's sample code host card emulation (a link given below).

https://developer.android.com/samples/cardemulation/index.html

i have experience on android card emulation , unfortunately have not easy wish. correctly emulate card visa or mastercard have know kind of technology used these cards, e.g., mifare desfire, mifare classic, etc..

then, need know secret keys used reader access data.

then finish need find library o write code emulate these card behavior (e.g., mifare authentication etc..)