Video Tube detect automatically video and download free video.
If you want to download a video from a certain website this is best app for you. Play video and touch on download button to store on your phone. You can see that video anytime.

This video downloader app lets you save many videos at the same time. There is a powerful download manager which show the progress of downloading.

Features
Free video downloader
Preview videos then decide to download.
Show downloading progress
Download several files at the same time with play tube
Fast download speed with this HD downloader
Large file download supported
Download video music and pictures
Delete unwanted videos
Fast play tube in the market
High quality videotube & playtube

DISCLAIMER: Due their terms of service this app doesn't support Tube.