DOOORS2 - Room Escape Game Door 2 Walkthrough:

 
DOOORS2 - Room Escape Game Door 2 Solution:
Pick up the green block from the wall and the other one from the floor.
Use the 2 green blocks at the correct position according to the shaded pattern above the wall.
The one green block will be at the bottom on the left, the other
green block will go second from the top on the right.


If both green blocks are at the correct position you can tap the door and it will open.