Move the barrel. Open the hole in the top left corner and grab the ball. Flip your device upside down and the door will open.See related link for screenshots.
Shake your device until all of the lights above the door turn green. Then open the door.
Tap the door to open it. Tap the area behind the opened door to proceed to the next level.
Use the red pin from the previous levels and put it in the hole above the middle door. Then tap the door to open it.
Tip your device to the left as indicated by the picture above the door and the door will open. Congratulations...you just beat level 2.
Move the gates and balls so you can move the plant on the left of the door, then click the little white button. After that, slide the door to the left.
Change 50 of the white dots to green dots then press the door. See related link for screenshots.
You put your device flat on a table or just hold it parallel with the floor. Then slide the door to the right.
Click the light switch on, then off, then on again, over again until all the green lights above the door are lit. Then open the door and go through.
There is a red pin that looks like the plant but you tap it, it will come out then to open the door you swipe the line! ____ Remove the red pin from the bottom left of the door (for later use), then slide the door to the left.
Literally press your volume button according to what it says at the top of the door. The balloons are irrelevant. ____ Put the sound up then down on your device until the door is completely open.
Pull the pull chain, and then click on the door when it cycles through and is open. If you don't catch it, just pull the pull chain again.
Turn your device upside down until all the red dots turn green (it takes a little bit), then you can open the door.