Color Caller Screen can be found on various mobile operating systems such as Android. To enable it, you typically need to go to your phone's settings and find the option for Caller ID or Call Settings. From there, you can choose to enable the Color Caller Screen feature and select the color or image you want to use for each contact.

Color Caller Screen is an application that lets you customize your incoming call screen with different colors and images. With this app, you can set a unique color or image for each of your contacts, so that when they call you, the incoming call screen will display the customized color or image.

The app is easy to use and provides a wide range of color and image options to choose from. You can select from pre-existing themes or create your own custom theme by choosing a color or image from your phone's gallery. The app also allows you to adjust the transparency of the color or image, so you can have a subtle or bold look for your call screen.