Rain Drops Animated Keyboard + Live Wallpaper is a free personalization app developed by Live Wallpapers by Wave Studio. It offers users stunning graphics and beautiful animations to customize their phone's keyboard and wallpaper. The app also includes stylish caller screen themes to customize the after call screen.

To activate the keyboard theme, users need to install the app, open it, and click the "Apply Keyboard" button. The theme manager will open, and the theme will be applied. If the user does not have Wave Keyboard, the app will redirect and guide them through the installation process. To activate the live wallpaper theme, users need to install the app, open it, and click the "Apply Wallpaper" button. On the next screen, they will have a "Download" followed by an "Apply" button, and the theme will be applied.

The app offers HD unique graphics for the keyboard and phone background, custom keyboard and wallpaper, and optimized battery life. It also prioritizes the user's privacy by not monitoring or storing their typing activity.

Overall, Rain Drops Animated Keyboard + Live Wallpaper is a great app for those who love to customize their phone's look and feel.