A free app for Android, by GoodBoy Collective.

This application is an unofficial Android app for the Hacker Wallpapers 4k, created by a group of Android enthusiasts.

The Hacker Wallpapers 4k application contains a lot of wallpapers of the Anonymous, a famous hacker and programmer from the world of technology. It is a collection of images and backgrounds that can be downloaded on your device. The application also includes a list of all the images and logos that can be found in the app.

This application is free to use, but you can also purchase some items within the app, like some wallpapers or some of the logos. You can also find a lot of backgrounds and themes to make your device look a lot better.