You can install the app and start using it without having to pay anything. The app is completely free to download, use, and enjoy.

How to use it:

• Download the app and install it on your Android device.
• Click on the icon that you see on the main screen.
• You will be able to see all the available themes and styles that you can use.
• Click on the one you like.
• You will be able to change the color and style of the theme.
• Click on the "Set as Active Theme" button.
• You will be able to change the style of the entire application.
• To use the theme, just install it on your Android device and start using it.