sand cave
try desert or india
yes there is in 0.15.0
it is random but it grows faster on sand
Need Soul sand and clay blocks. Put the Soul sand on top the clay blocks
More nether mobs such as ghasts, soul sand, obsidian ( that u can find) , online multiplayer , dungeons (I think), they might add caves and last but not least they will add melons In the wild
Yes. It is possible to crouch in the minecraft pe.
there are no mods in minecraft pe i hope there will be
A sand trap :) put diamond block then when the player breaks the block the sand falls and suficates him/her, there is a video on how to make the trap
There are no mods for Minecraft PE But it would be cool
If you have already purchased Minecraft PE, then update the game.
Minecraft PE 0.8.0 does not have squids in it.