File Manager CCleaner by AppStudio is an efficient Android management tool that offers a variety of features in one application. It is designed for all Android devices, including phones, tablets, phablets, and Android TV, and is fully designed with the Material book by Google. The app offers several features, including storage analyzer, cleaner, battery device, app manager, boost RAM, CPU cool, security, full-featured file manager, smart library file explorer, storage file manager, root file manager, network manager, and document editor. The app also allows users to customize themes colors for the app and theme types to choose from. The dark theme is fully supported. File Manager CCleaner is free to use and compatible with all Android versions from Jellybean to Oreo. Overall, it's a simple, small, fast, and efficient Android management tool that provides many features in one application.