HD Tube Video Downloader is a free Android app developed by Frontzone Infotech. It is a simple and easy-to-use application that allows users to download videos from the internet for offline viewing. With an in-built web browser, the app auto-detects played videos for download, allowing users to view download progress and resume downloads of paused videos due to network failure.

This app also has a feature that allows users to switch on/off video privacy settings. Users can view download history and browse sites using the in-built web browser. To download, users can simply play the video of their choice and click on the download icon to begin downloading.

Overall, HD Tube Video Downloader is a great option for users who want a simple and easy-to-use app to download videos from the internet for offline viewing.