Identify NFC controller firmware on an Android device, reporting controller type, firmware and NCI versions, supported NFC technologies, secure element availability, and HCE support.
Apache 2.0
SEFAZ PB: NFC-e, official-source lookup. Platform-hosted, pay per query with prepaid credit.
SEFAZ MT: NFC-e, official-source lookup. Platform-hosted, pay per query with prepaid credit.