100 Doors 2013 Level 12 Walkthrough

1. Tilt the phone to the left side, and a rock will slide into the screen.	2. Pick-up the rock, select it in the inventory and use it to brake the black glass. Under the glass there will be a "4" that completes the code you need to open the door. So the final code is 7834
3. You can now play the next level.