QR and Barcode Scanner is a free Android application developed by Vladimir Samoylenko. It falls under the category of Utilities & Tools and allows users to scan and decode QR and barcodes of different formats. The scanned codes are saved in the application's database and can be posted to Facebook, Twitter, VKontakte, Google Plus or sent by email. The application has a simple interface with two tabs, the first of which contains a big button that triggers the scanner. The second tab displays a list of scanned codes. Each code has a name and description, and users can change the name of the code whenever they want. The application also has a support screen that allows users to send messages to the developer with their questions.