This here is the walkthrough, if you're having trouble with the game, or just want to beat it as soon as possible. This will be a step by step guide, for easy reading!
1 - Hallway
As soon as you start the game you'll be greeted by a comic style intro sequence and then you will start in this hallway. To start, you want to tap on the the clock and dresser door to reveal a Moon Key and a Gear, then just tap on those to collect them. With the Moon Key in hand, you want to tap on that Moon Door to open it and enter your next room.
2 - Moon Room
When you enter the Moon Room you'll want to collect that sticky note on the wall, that's your first out of four shape hints for something later on. Next you'll want to examine the bookshelf then go ahead and tap Book I you'll then be greeted with three numbers Three, Seven, and Six keep a mental note of that. After that go ahead and slide the big painting to the left to reveal a Star Key go ahead and collect that in order to enter the Star Room. Finally go ahead and examine the table and take the card, revealing a clue.
3 - Star Room
In the Star Room you'll immediately see two sticky notes to collect, the one on the desk is the second out of four shape hints, and the one on the tray is a very peculiar looking message. You'll want to tap on the center and right drawer to open them up and reveal another gear and one of two octagram stars. If you slide the big painting to the left you'll reveal a safe behind it, we'll get back to it in a moment. You'll notice a time frozen on the ipad, go ahead and enter 11:48 on the grandfather clock face to open up a compartment. Inside the compartment is another gear and the second ocatagram star. You want to open up your inventory by pressing the magnafiying glass at the bottom of your screen, in there match up the numbers to LISA as noted from the message Lisa is Safe. Enter the matched numbers 4628 into the safe and then take the Sun Key and enter the Sun Room right next door.
4 - Sun Room
Now in the Sun Room, you'll want to take that gear off the couch and the third out of four shape hints, then examine the nightstand and slide that little compartment door revealing another gear to collect and a Circle Key. There's nothing more to do here until a little later, so go ahead and leave then enter the Circle Room.
5 - Circle Room
As soon as you enter the Circle Room answer the ringing phone, and then you'll be greeted by a mysterious comic scene. Then after that collect the fourth and final shape hint, you'll notice the letter " I " written on the chalk board. If you recall from earlier there was a something written in book I, go ahead and enter 3 6 7 via the turn dials. When you have successfully entered the right combination, the safe will open then go ahead and collect the photo and yet another gear. Now you have all the gears, so you can leave and go back to the Sun Room
6 - Sun Room *revist*
Back in the Sun Room, you want to go ahead and tap the painting with the gears then drag and drop your gears you've collected from your inventory to the slots on the painting. Once you've connected all the gears, you'll notice that somethings happened... now you can go back into the hallway.
7 - Hallway *revist*
Once in the hallway again, you'll want to scroll to the end of it and examine the keypad on the wall. The keypad wouldnt work normally if you didn't connect any of the gears. On the keypad you'll notice 4 different shapes that correlate to the numbers of each of the shapes that you have from the sticky notes. You'll want to enter 6471 on the keypad, if successful you'll be greeted with the final comic cutscene.
Congrats, you beat the game!