GouvCheck is a free Android application developed by CTIE that allows you to verify the authenticity of official documents issued in Luxembourg. The app works by scanning the QR code printed on the document, which then provides you with real-time verification of the document's validity.

The app is simple and easy to use, with a user-friendly interface that makes the authentication process straightforward. With just a few taps, you can scan the QR code and verify the document's authenticity, saving you time and effort in the process. GouvCheck is an essential tool for anyone who needs to verify the legitimacy of official documents in Luxembourg, and its free availability makes it accessible to everyone.