If you need a free, full-featured file and application manager for your Android phone, be it Tecno, Samsung, HTC, LG, then you need to download the latest ES File Explorer app. It is one of the best free file manager available in Google Play.
It provides access to pictures, music, video, documents, and other files on both your Android devices and your computers.
It functions as all of these apps in one: file manager, application manager, task killer, cloud storage client (compatible with Dropbox, Google Drive, SkyDrive, Box.net, Sugarsync, Yandex, Amazon S3, and Ubuntu One), FTP client, and LAN Samba client.
If you install the app onto your Android phone, no matter where you are, you will be able to manage your resources for free.
You can see and access all of your files from your mobile device and share them with others. The app makes it easy to stay connected over 3G, 4G, EDGE, or Wi-Fi to share with friends, upload photos, and watch videos.