A free app for Android, by Shalltry Group.

File Manager is a powerful, simple interface file manager that supports multiple routine operations. It is an indispensable utility for anyone who uses a mobile device to carry out daily tasks. It is designed to help you manage your mobile devices and files. File Manager is a very powerful, easy-to-use tool that allows you to manage your phone in a simple, intuitive way. With it, you can do a lot of things such as create new folders, rename them, move them to another location, delete them, and much more. If you have all you need in this one application, then you should download it right now.