You need to craft it out of Iron Ingot and Sticks.
you mine stone with a pickaxe
In pocket edition you'll need iron, gold or a diamond pickaxe.
an iron pickaxe will do.
You have to use at least an iron pickaxe or better.
Redstone can be mined underground or found in caves. You need an iron pickaxe to mine it. It is not in the pocket edition.
you could find a pool of lave place water then it turnes the lava to obsidian to get it you have to mine it up with a pickaxe
Re you sure you are using an iron pickaxe? Diamond cant be mined without an iron or diamond pickaxe Otherwise, it could be bug
Yes there is signs in Minecraft Pocket edition
you cant have a minecraft pocket edition username
Yes you can. Just get an diamond ore and place it in you crafting box and diamond will be made. Then craft your pickaxe.
with an iron, gold, or diamond pickaxe (there isn't any uses for redstone in pocket edition so you won't get anything
No, they are no enderman in Pocket Edition of Minecraft 0.8.1