Thanks for playing! Oh that's weird. May I suggest trying the Itch app perhaps? I believe it allows you to download HTML5 games to be played standalone. Maybe that would work better for you if you were having issues with controls getting stuck or something. Or maybe you just accidentally enabled sticky keys :)
As for a Windows version, I've actually decided to continue development on the game as I have SO many new ideas for what I can do with it. So I should have a Windows version out shortly after the jam is all wrapped up :) Thanks again for playing and commenting!