Left wanting more
I really did like the look and feel of this game. However I find myself thinking there could have been a lot more going on. Like some of the signs left me confused, thinking that they were clues rather than just statements. Like "it smells like water here" left me thinking that if you put in the water ahemi, or however you call it, in the right place it would open water areas and there'd be more to explore. The same with all those orbs you had to collect. The fire polls left me confused too. I got the idea of freeing the fairies but with the signs saying "the lilacs need trimming" and "this plant is insane" left me thinking that I could burn away the plants and revel hidden things. With the lack of enemies and the invisible walls this felt more like a filler, collect this, free that, put that there, rather than a sequel to the first game. Which felt more open and alive.
I do like the story that's going on and that we learn more about William who, for being a title character, we really don't interact much with. I really do like these games and I hope you continue them and expand upon this mystical world you're creating.