If I opened the ballroom first and found the second pot only after that, does it mean I'm stuck now?

Not really, but in a way he did.

Hi guys i a trying to find the water blossum. Please help thankyou

After the cat is gone, at some point Ellen automatically transforms back to human form (I think happened when I tried interacting with the piano), then pressing X shows an animation of her appearing in human form again. Then at some point talking to the parrot makes the parrot sprite disappear from the room and reappear after the dialog. Also, is there some trick to the piano puzzle or do I need to install software that reads off notes from audio to be able to complete that puzzle?...

I'm missing one in-game achievement, the "Fall into your own trap" one. Any ideas on how to do this? Thanks!