A free program for Android, by WallpapersCraft WallCraft.

Wallcraft – QR code wallpapers is an Android app that makes your phone look cool and professional. With this application, you can quickly display your QR code on your phone screen with beautiful wallpapers. This application is useful for scanning in order to get the necessary information quickly. It can be useful for sharing your contact information, phone number, email, website address, application address, and some text.

You can set a background and choose the size and position of the QR code on the background. You can also choose the color of the QR code. There are a lot of beautiful backgrounds and wallpapers.