Cool Call Screen-Birthday Theme is a personalization app for incoming calls that allow you to change the look of your caller screen into one that matches your personal style. It's a color phone screen, which you can change the color of the screen for incoming calls and make it more beautiful.

The way it works is you can set one of your favorite color phone screens as the default and then you can set a different color screen as your personal preference for incoming calls. Cool Call Screen-Birthday Theme is easy to use and it works with most of the Android devices.

Cool Call Screen-Birthday Theme is a free personalization app for incoming calls, and it works on both the mobile and tablet version of Android.