Well I think that you all may have been familiar with this application by now. If you are not then you maybe just love to waste your data to watch a video or to listen to your favorite song again and again. The concept for this application is quiet straight, that is to allow you to download and save all your favorite videos and music to watch it again without wasting data.
And believe me this app is just making the things easy or even just perfect. Im personally using this app for an about an year and found it pretty useful. It allows me to download and save my videos in HD quality so then I can watch them anywhere and anytime.
If to want to have such an encouragement the I would like to suggest this app.