Mahjong Mountain

So, my dear friend. You are really willing to face the difficult tasks to climb the holy mountain? - Go on!
On the top of the holy mountain Tai Shan a wise, old man waits for a brave explorer who is smart enough to overcome the riddles of the "Tiles of wisdom". Many men tried to complete all the tasks but only few even finished the first ones. Now it's on you to prove that you are a worthy Mahjong master.