It acts as an intermediator between android OS and our application.Free, Safe, Simple, Manage your files efficiently and easily with ES File Explorer (File Manager)! ES File Explorer (File Manager) is a full-featured file (Images, Music, Movies, Documents, app) manager for both local and networked use! With over 500 million users worldwide, ES File Explorer (File Manager) helps manage your android phone and files efficiently and effectively and share files without data cost.File Manager and Folder Manager – Powerful tools put desktop-grade features in your pocket This file contains information about our application such as android version, metadata, states package for Kotlin file and other application components. Manifests folder contains AndroidManifest.xml for our creating the android application. We will explore all the folders and files in android app. The android project contains different type of app modules, source code files and resource files. We need to create new project for each sample application and we should understand about the folder structure.