MKey (NFC door lock) Apk 4.0.3

Receive the remote authorized code, and then unlock the door by NFC.

* Working with NFC portable device.

* Android 4.0 and above required.

* Remote authorized code by SMS, IM, and then to unlock the door.

* Software needed for Android device.

* Used as Self-service hotel, locker, family, and office, etc.