Drupe is a free call screen theme changer app. You can change the look of your Android device by simply downloading the application and choosing the skin you like. The installation process is very easy and you don't need any special skills to use it.

In the application, you will find a variety of themes that you can install on your device. There are many categories that you can choose from, such as a black skin, a blue skin, a green skin, and many more. Each of these skins contains a variety of backgrounds and frames that you can use to make your phone look even cooler.

In addition to this, you will find an application that will help you to install the themes on your device. This application is called the ExDialer Gallery. You can find a lot of different themes in this application.