When we search for video on YouTube, we can play or download it. But remember, some internet provider doesn't provide unlimited provide bandwidth for viewing video online. The best way is download the video and play it then.
Looking for YouTube downloader app? I suggest TubeMate as YouTube video downloader partner. You can download the various quality of video from YouTube, from 3gp to Full-HD. Simply download and install the application. Search the video, click play button and you will given two choices, download or play it directly. With TubeMate you can enjoy YouTube(m.youtube.com)-search, related videos, favorites and download them to SD in various qualities.
How to Download
1. Search Android Market
2. Open Android Market on Your phone
3. Go to "Search"
4. Type "TubeMate" in the search field and hit "Search"
5. Once you find the "TubeMate" app, choose "Install" and follow the instructions
Free Download TubeMate .apk file