Periscope on Android - Explore the world through someone else's eyes
TubeLister - Generate a YouTube playlist from your opened tabs.
TopRecs - The power of recommendations from your trusted friends
OrganizeTube - Create video playlists from Youtube, Vimeo and other sources
UUKI Live - UUKI helps you build meaningful relationships within your community through events, newsletters, and a community page
Vidlis - Create music playlists from YouTube videos.