ScreenMate is a free Android app developed by WTF Group, falling under the Personalization category. It allows you to create and customize your own personal character with costumes, hair, accessories, and more.

The app can be used as a LiveWallpaper, and the installation guide is straightforward. Once installed, simply create your character, exit the app, and go to your phone settings to set it as your Live Wallpaper. It's that easy!

What's more, the app now offers a male character as an unlockable content, which can be accessed by watching a short ad video. Please note, you will require an internet connection to unlock this feature.

Overall, ScreenMate is a fun and easy-to-use app that adds a touch of personalization to your device.