Most lock pick games let you know if you are close to unlocking a door etc by the amount of vibration of the lock pick. Less means better, but for some reason this game has nothing. Nothing to inform you if you are close or not. You have no idea if you are close to unlocking a door and it gets very boring when you spend 2 minutes going left, to right, to left again very slowly turning each time to nothing (unless this is a bug).

I had to give up on this game as it became very boring each time I came to a locked door.