QR and Barcode Scanner application is an application that allows users to easily scan and interpret QR codes and barcodes using their device's camera. This application is designed with a focus on user privacy, where the data generated from the scan is not stored or shared, but only exists on the user's device.

The features of this application include:

1. QR and Barcode Scanner: This app provides a QR and barcode scanner feature that allows users to point their device's camera at a QR code or barcode and take a picture for interpretation.

2. Scan History: This app also saves the user's scan history. The scan history feature allows users to see a list of all the previous scans they performed, which helps them remember or re-access information they have scanned previously.

3. QR and Barcode Generation: Apart from scanning, this application also allows users to create QR codes and barcodes. Users can enter certain data or information, and the application will generate a QR code or barcode that they can use for various purposes.

With this QR and Barcode Scanner application, users can easily scan and interpret QR codes and barcodes, as well as create their own QR codes and barcodes according to their needs. In addition, with an emphasis on privacy, users' personal data remains secure and is not shared or stored outside of the user's device.