Value: 0
Return value for CardEmulation.GetSelectionModeForCategory(string).
In this mode, the user has set a default service for this category.
When using ISO-DEP card emulation with Android.Nfc.CardEmulators.HostApduService or Android.Nfc.CardEmulators.OffHostApduService, if a remote NFC device selects any of the Application IDs (AIDs) that the default service has registered in this category, that service will automatically be bound to to handle the transaction.