A free program for Android, by Adam App Project.
Recaller is a free app for Android. If you want to have a unique incoming caller screen for your phone, you can download this app and use it. It has a beautiful interface and many themes to choose from. It can be customized according to your needs.
It has a photo-based caller screen. You can choose from various themes and backgrounds. The theme is the main screen of the caller. You can set the background as per your needs. It has a notification bar so that you can see what is going on in the app. It also has a settings menu to set the settings.