Yomo Launcher allows you to change wallpaper on Samsung, Lava and Acer smartphones/tablets distributed freely by Yogi government to students. You do not have to root your device or interfere with UPDESCO configuration which could void your warranty. Features: - No permissions required - Supports Dark Mode - App Lock - Choose wallpaper of your choice Yomo Launcher also works on all enterprise devices which restrict wallpaper change. Follow us on Instagram for updates: instagram.com/yomolaunche