S4BB have been quick off the mark to update Down Tube with BlackBerry Passport support, so if you fancy downloading videos to your device for viewing at a later time, this is the perfect way to do so.
Version 1.5.4 is now in BlackBerry World and with it brings some UI tweaks to make things look better on BlackBerry 10.3.
Down Tube features include:
Supports YouTube, Vimeo and Metacafe
Quick 1 button local caching / download
BlackBerry 10 browser integration (open menu and hit "Open in Down Tube")
Queue as many preloads as you wish
Instant video viewing with BlackBerry 10 media player integration
Multi-URL support (desktop, mobile, short URLs supports)
Multi-Threading support (preload more than one video at a time)
Save video to media card (* not available for YouTube videos)
Integrated Notifications for updates & new videos
Down Tube is priced at $1.99 and is available for all BlackBerry 10 devices.