Single-Colored Background is a free wallpaper app developed by androdan for Android users. The app is designed to provide a simple and customizable wallpaper solution without any ads. It is a personalization app that falls under the category of live wallpapers. The app is very battery friendly and does not consume much power.

To use the app, users need to install it and then open the main menu. After that, they need to go to the 'Wallpaper' section and then select 'Live wallpapers.' From there, users can select 'Color Background' and set it as their wallpaper. The app is straightforward and easy to use. It provides a single custom color background for the user's phone, which they can choose according to their preference.

The latest version of the app, v1.1, includes an added custom color dialog, which allows users to choose their preferred color more easily. Overall, Single-Colored Background is an excellent app for those who want a simple and customizable wallpaper without any ads.