After having entered the Passport Nr. / Date of birth / Date of expiry place your smartphone on the inner cover of your passport. Try both the front and the back until a progress bar appears. After some seconds you will see your name and your picture appear on the screen. -- Confidentiality The app does not communicate with internet. Some of the read out information might be stored non permanently in the device log files or cache. The app is open source: https://github.com/rgex/bondi-android-passport-reader</br></br></br></br></br>