The mechanics are explained in game via papers. You can also click/tap on the window or on the camera screen to use your flashlight too. Now go back to the game if you're in the middle of a night. Someone may be at the door ;)
Remake of the original game Only made because I felt like the game could be more then a clone of scary har har har bear Original game here: https://scratch.mit.edu/projects/870679776/