Minecraft PE Tips and Tricks

How to Fly on Creative Mode
  
   Double-tap the button in the center of the arrows on the screen.

Killing Mobs Tips

   I suggest use a sword to kill them quicker. Stone swords and iron swords take longer to kill zombies then gold and diamond swords but only by one or two hits. Just remember, light kills zombies and stops them spawning. Even though, putting a torch near a zombie wont kill it, it'll only stop more zombies spawning around the torch.

How to Survive Lava (Kind of)

   If there is water nearby, GET TO IT AS SOON AS POSSIBLE. The lava will quickly eat up all your lives, but if you get to water in time you shouldn't die.

How to Find Coal and Iron without Tunnelling

   Find a mountain or cave and area of stone and search for coal/iron on it. Generally gold and diamond is found deeper underground, so you'll have to tunnel for those.

Tool Uses List

Axes: Mine tree wood faster. Mine wooden planks faster. Mine fences faster. Mine any other wood-related objects faster.
Pickaxe: Mine stone faster. Mine coal faster. Mine iron faster. Mine gold faster. Mine diamond faster. Mine any other stone-related object faster.
Shovel: Mine soil/grass faster. Mine snow faster. Mine snow as a resource. Mine sand faster. Mine any other grain-related object faster.
Sword: Kill zombies faster. Kill other people faster.

How to Throw Items/Remove them from the hotbar

Hold your finger on the item for a while until your guy throws it.