A free program for Android, by Smart Theme.

Vivo Y20s Launcher is a new Android-based operating system for smartphones and tablets. This new OS is based on Linux and Android and is available for a variety of mobile devices including tablets and smartphones. It provides a new look and feel to the Android operating system and offers an interface that is more user-friendly than the previous version of the OS. It also includes a new look and feel for the app interface, making it easier for users to navigate and interact with the apps.

Vivo Y20s Launcher is designed to provide users with a simple, intuitive user interface and an experience that is more personalized than the previous version. Users can personalize their phone or tablet with an awesome theme and HD wallpapers. It also provides a list of Top-Ranked and Most Visited Wallpapers for users to choose from.