This was a really great game, and I'm definitely looking forward to the next. It would be cool to see some less linear puzzles in the future (this one felt a lot like ghost A giving you what ghost B wants, and ghost B giving you what ghost C wants, etc.). Also, options for dialogue speed. But I loved the visuals, controls, and animation, and the story/world has drawn me in.
I really, really love this game. The only thing I wanted to suggest was that I'd like it if there were a way to specifically just turn off the glass-shattering noise you get when you mark something wrong, without having to turn off the other sound effects too. The rest of the game is so calming that it actually winds up startling me lol. Either way though I think it's a lot of fun.