SIM cards are Oracle Java Card. There are companies offering services and SIM (java card) applets for card management and other functions. Also, there are open

SIM cards are Oracle Java Card. There are companies offering services and SIM (java card) applets for card management and other functions. Also, there are opensource applets. https://github.com/crocs-muni/javacard-curated-list#mobile-telephony-sim https://github.com/crocs-muni/javacard-curated-list#mobile-t...