OTG USB File Explorer is an Android-based file manager and file explorer for Android phones and tablets that lets you access your files from any USB mass storage device. It is a part of the Android operating system and can be installed on devices that have Android 7.1 or higher.

It is also capable of connecting to tablets and other devices. The app is a tool that lets you manage the files on your Android phone, tablet, or other USB mass storage device. You can easily access the files and folders and transfer them to your device. It supports multiple file systems and devices.

The app can be used to access multiple folders, and it supports drag and drop. It is capable of showing the content of your folders and the files that are contained in your folders.