Q5/Q10 Pro will be updated to Android 7 later this year.
I don't think HiMedia have plans for an Android 6 box.
We don't recommend that you root Q5/Q10 Pro, but there are several methods discussed online for how to do it.
None of these are tested, use at your own risk:
http://www.android-mediaplayer.de/index.php/Thread/3222-Offline-Root-f%C3%BCr-Q10-Pro-Q5-Pro/?pageNo=1
http://kodiloaded.com/smf/index.php?topic=1553.0
http://himedia.ca/forum/index.php?topic=137.0