It's been a decade so maybe my memory fails me but didn't the campaign state PC, Mac, or Linux? Is that still in the works?
Viewing post in Works well on macOS with Parallels
Your memory is correct; my pledge confirmation email said:
REWARD
DRM free version of the game on PC. Also available to download on Mac, Linux, iPad, or Android Tablet. 5 Pack of HD Wallpapers made by Mark Crowe. Access to the project team diaries once the game is released. Generic "thank you" message (with your name copy/pasted in) personally written by The Space Quest Historian.
ESTIMATED DELIVERY
Feb 2013