Eden - World Builder (iPhone iPod)
CheatingDome.com
Elevators
This can be achieved by making a water fall by placing water blocks on top of each other and then entering it so you float up.
Escaping a Howl
If you make a flat straight line up to the grass with the ladder block and then climb the ladder you made you will escape.
Hot water
Use the following trick to get hot water.
1. Make a small room (it should be atleast 4 blocks long).
2. Put lava at the back of the room.
3. Put water in front of it (you will not see the lava).
4. Swim in the water and to the back of the room.
5. Your screen will flash red.