Download full playlist on YouTube

Download YouTube daily motion and many videos from you android smart phone this app is super fast and easy to use

click on the share button in the YouTube and share it to tube mate app so it will bring you the below image screen  

Just all you need to do is to select your video tap the green download button

http://tubemate-youtube-downloader.en.uptodown.com/android
other version 

http://tubemate.net/