Flip your device upside down. Now press 9, X, 9 and hit =. The door will open. You can use ANY of the 9's or X's. It will work as long as you keep your device upside down. See related link below for screenshots.
Spell full then press the house then press the key
press the green arrow
go to a Pokemon center press l+r and then leave it .go into grass hold l and a shiny level 100 should pop up.
Press 293031. See related link for screenshots.
Press 45683968. See related link for screenshots.
212 Fahrenheit (boiling point of water at sea level).
Press the ring bell for 5x and knock fir 5x
Press "F" "U" "L" "L" then press the House button. Press the Key button to open the door. See related link for screenshots.
212. They are the point at which water boils at sea level.
100: it's the highest evolution, so it can go up to 100. (Hint: So can Chimchar. Just press B when he's about to level up, and he'll stop evolving!)
Turn the device upside down and do 9x9 then press the = sign on the Side
Press 1, 11 times. See related link for screenshots.