S4BB Limited has just put Down Tube for BlackBerry 10 on Sale on BlackBerry World! For limited time only this Built for BlackBerry certified app is available at a 50% discount. Instead of $1.99 Down Tube can now be purchase for $0.99 to allow its user to pre-load videos from YouTube, Vimeo and Metacafe for later viewing. When viewing such pre-loaded videos no internet connection nor any data is required. Videos from Vimeo and Metacafe can even be saved to your phone or media card.