This app scans digital seals according to BSI TR-03137 and ICAO TR "Visible Digital Seals for Non-Electronic Documents" and displays the data contained therein as well as the validity of the signature. The profile "Arrival Attestation Document" which is used in Germany as well as the following profiles are supported: - Social Insurance Card - Arrival Attestation Document. - Residence Permit Document. - "ICAO Visa Document" - "ICAO Emergency Travel Document" - "Address Sticker for German Identity Card" - "Place of Residence Sticker for German Passports"