Win 100 floors level 16, check out the screwdriver on the ground! press to pick it up and save it on the menu.
Take the screwdriver from your inventory menu and use it to remove the four screws that are on every corner, so you win game floor level 16.
Press the wall to add the gold part to your inventory. Holding the phone upright, flip it upside down, so that the door opens and you win 100 floor level 16
Now continue to the 100 floor level 17 explanation