Sent off an email enquiry to Sunfly and received a very prompt reply, (within the hour). The Sunfly Streaming service has nothing to do with Tv2 of the K2u app. They are obviously utilising the K2u database for email/subscriber info. Last time i checked the K2u app hadnt had any updates since Sept 2016. I would assume that since there has been no activity with Karaoke 2 U in the last 12 months that Sunfly are able to utilise the contact details for their own products.