The first game solutions of the 100 rooms at level 1 are you headed for the table, then zoom drawers and drawers open, no door handles on the drawers, grab it and save it on the menu to be used later.
You go to the window and zoom around the plant, press pot in order to shift to the right and grab the door handle lock and store it in the box menu.
Further to beat Room 1, you go to the door. Press the doorknob in your inventory twice to zoom into it. Now press the keyhole in your inventory and press the doorknob to combine them.
Now continue to the 100 Rooms Beat Level 2 solution.