Send music from my MBL to my dnla capable popbox streamer using tablet?

I want to send my mp3 and or flac music from my MBL to play out of my livingroom amp/speakers. I have a popbox media streamer attached to my amp via HDMI. Is there an android app or some other way I can cue my music from tablet interface so as to play my music and keep TV turned off?

bubbleupnp is exactly what you need