The Ministry of Digital Governance announced the launch of two new applications. One is called Covid Free GR and its use appears to be particularly simple: to save a document to wallet (which is the second application, you should scan the QR code in the application, or upload it as archive pdf.
Immediately after that will appear choice "Save to wallet".
The Ministry of Digital Governance reports to σελίδα of the application:
The official applications for verification and storage in the form of Wallet of European digital certificates COVID (EU Digital Covid Certificate) and national certificates COVID are available through the official account of the Hellenic Republic and allow them to be scanned, checked and saved.
The new application is available through covidfree.gov.gr as well as through the Apple App Store and the Google Play Store.
Download the verification application | Download the Wallet app | Instructional video | Space signs - COVID-free badges