All the answers here! The main goal in 100 Doors is to escape the room. Using all the possibilities of the device you need to open each of 100 doors and move the doors to the next Level.
Search for hidden objects, solve puzzles and use an items to do this!
Tap the small door on the bottom left.
But the cable in the hole of the same colors.
A piece of paper appears on the ground.
The code is 8372