Theme World For MIUI Personalize your phone with beautiful Themes, icons, wallpapers and backgrounds. Theme World contains wide range of themes for your MIUI based Smartphones. Personalized: with great variety of styles and collections recommended, the app brings you personalized and localized experience. Download and install themes with just one click. Currently supports MIUI10, MIUI 11and MIUI 12+ Amazing Themes are available for new Emui based smartphones such as m3 mi note, x3 mi 11, mi 11 pro and man more based on miui system.