Plexamp - A small music player with a number of unique features
YouTube Trending - Making it easier to find viral videos
Vinyls - Vinyls is a music player that lets you listen to your music without any complicated setup.
Music Pro - Stream YouTube music
SoundWire - SoundWire does audio mirroring (audio cast). You can use any music player on your PC or laptop like Spotify, YouTube, or iTunes and stream low-latency live sound over WiFi directly to your Android device.
SimilarChannel - Find Similar Youtubers and Channels like your Favorite Channel