There is also the sticky situation that the copyright holders VM deals with are anti-hybrid device devices (devices which can flop between being a laptop/tablet.) I.E. those hybrid devices are not allowed to run T.V. Anywhere.
As for the Windows phone, there a future longshot that VM may make a slightly reworked version of their Android app for Windows 10 (Windows 10 is supposed to have Android/IOS app support of sorts.)
- - - - - - Any opinions expressed by myself are entirely my own and do not represent Virgin Media in any way.