When making a world
Click on the button that says "Survival" until it says "Creative".
While playing
There is no way to change gamemodes while playing minecraft unless you are using a mod. TooManyItems mod and Single Player Commands mod are great mods that let you change the gamemode while playing the world. Plus, both don't require modloader or anything like that!
To change games modes in Minecraft Pocket Edition, go to edit world and tap survival or creative
Currently, there is no way to change your game mode in a game (In the Pocket Edition). The default world will put you in survival, but you can make it a creative world by taping the Gamemode button.
There is no app you download to change your current gamemode in a world in Minecraft: Pocket Edition. Once you select a gamemode for a world, that is your permanent mode, you can't change it around.
you can't
You need the single player commands mod. Then you type /gamemode 1. This will change your survival world to creative. To put it back use /gamemode 0.
To change from survival mode to creative mode in Minecraft on an iPhone, first, pause the game by tapping the pause button. Then, select "Settings" and scroll down to "Game." Look for the "Game Mode" option and tap it to switch from Survival to Creative mode. Note that you need to have cheats enabled in your world settings to make this change.
Build the map on Creative Mode then go to seedscope.net and upload your level.dat for the map on the Change Survival to Creative option. You should then download the new level.dat. Replace it with the old level.dat and when you start Minecraft, you should see that it is now a survival map.
They are the admins of the server. They can kick, ban, mute, change the time of day, switch from creative to survival or survival to creative, and have more control over the server than regular users.
Start a new world then go to the button directly under where you name the worl and click on it until it says creative.
The only way is to change the game mode to Survival by doing /gamemode 0 or for Adventure, /gamemode 2
If you are in the gamemode creative, then no mobs will attack you. To change this (assuming you have cheats enabled), you must change your gamemode to survival or adventure. To do so, type in "/gamemode survival" without quotations and including the /.
First off you must be updated to the latest version of Minecraft Xbox Edition, then you go to your world and under Gamemode change it to creative, then you can double tap A to fly.