A free app for Android, by fuyiqu.

Video Downloader is a simple and powerful app that lets you download videos and photos from various websites. Once you download them, you can view them in a variety of formats on your device. It supports mp3,mp4, flv, f4v, mov, m4v, and mpeg, etc. The program is very easy to use, and you don’t have to worry about it at all.

Video Downloader supports Vimeo, Facebook, Instagram, Vibox7, and many other websites. You don’t need to log in or create an account to download.