Hit the green flag to begin! Use arrow keys to move. To get through the table, make sure to collect the "floating" key. It's ok if you don't avoid Devilsnare (green) fire (orange), troll boogar (orange), Fluffy (brown) and Quirrel's turban/robes (purple), this is the hacked version.
Thanks to @SewCool for Harry Potter and The Sorcerer's Stone Platformer. You make REALLY good projects!