I've played so much FTL that I didn't even need the tutorial and enjoyed figuring out everything.
While holding down shift is ok, I would recommend coloring the icons for the different rooms or at least darkening them/increasing the contrast so it's easier to see where everything is at a glance.
Highly enjoy the music, almost seems like it adapts to what is happening (is it?). Can't wait to see the designs for the other ships. I would probably also like to see selecting multiple characters at once.
Love me' crab ship. simple as.