Android > Multimedia > Video and Audio Downloaders
YouWeTube

Search, choose either a video or audio format, then download YouTube videos to watch for later
Video Downloader for Instagram

Minimize confusion and get your favorite clips on your mobile device from one easy dashboard
Tube Video Downloader 2017

This program makes it easy to locate and download a variety of Tube videos from the Net
Mp3 Descargar Musica

Easily find your favorite tracks, download them onto your mobile device and play any time
InsTube YouTube Downloader

Enjoy quick downloads of all of the videos that you want to watch many times