There is now a new we site:
https://www.voyagerastro.com/
an English language manual/wiki:
https://voyager.tourstar.net/index.php?title=Main_Page
and a series (expannding) of videos:
https://www.voyagerastro.com/videos/
Gave up on SGP because of unexplained crashes and crap focusing. Voyager worked first time for me and the focusing routines leave everything else in the dust...
Suport is fantastic, I had a request, it was implemented in a week.....
Gary