If you need guide to pass 100 doors level 18 game, this is the answer. Well actually the puzzle is not so hard to be solved.
There are to circle arrow one has left pointing and one to right.But what you have to rotate is not tap and sliding but your smartphone.
100 doors level 18
1. Rotate your phone clockwise as you see the arrow it's full rotation
2. Now rotate anti clockwise in full rotation or 360 degree
It's need motion sensor to pass this 100 doors level 18