You can't. Unless Mojang decides to implement that.
There's no way to multiply items, blocks, or anything in Minecraft P.E.
Pressure Plates, and indeed all redstone items, have not yet been introduced into minecraft PE. This'll come in a future update.
there are no mods in minecraft pe i hope there will be
Yes. It is possible to crouch in the minecraft pe.
Yes. That's the same for every single app out there.
If you have already purchased Minecraft PE, then update the game.
Minecraft PE 0.8.0 does not have squids in it.
there is no jungle biome in minecraft PE
There are no mods for Minecraft PE But it would be cool
there are no rumors for minecraft pe version 4.1
How to make a apple in minecraft pe
To get carrots in Minecraft PE you need to get seeds. You get seeds from zombies.