Youtube Background Playback: This app helps you play songs in the background while you perform other tasks on your phone. Songs can be controlled from notification bar.
Images(on/off): This App provides feature of image loading on or off to save data.
Download Video: You can download any video from youtube.
Inbuilt Proxy Authentication: In this app proxy authentication (if required over some wifi network) happens same way as it does in your browser without any intermediate.
Ad Block: This app blocks advertisements.