AnExplorer File Manager is best Android TV, Wear OS file management tool. It is Simple, Small, Fast and Efficient File Explorer and One of the Best File Manager apps on Google Play Store. Only file manager to support RTL and show the size of folders across the storages.
It's free of charge to get the installation package of File Manager Pro Android TV USB Cloud Root WiFi, also, you can have a look at users' reviews on Droid Informer. The app is totally secure to download. DWorkS is the developer of this application which can be found in the Tools category.