The OnPrime service which emerged this week from Sky in the UK and Germany, offering a number of foreign language packages for visitors, seems to be built around the end to end OTT service which Sky has been investing in for years from US firm 1Mainstream. It put $2 million into the company in 2013 and another $5 million in March 2015, and used the end to end TT service in its Sky News rollout. Sky is exceptionally advanced for a DTH player in the use of OTT video and first launched its TV Everywhere service, a precursor to its current Sky Go apps, in 2005, before renaming it Sky Go in 2009. It has since come out with its…