Youtube Video Downloader lets you download your favorite videos and watch them offline even when not connected to the internet.
YTD is video and audio downloader application for your Android
Unlimited downloads queued from a huge list of video streaming sites
Create your own collection of videos and songs and play them whenever you want
Sort them any way you want, protect them using a password
See the progress of your downloads and their sizes
Protect your privacy by locking the YTD app with a password