Yes you can but you need to mine it with an iron pickaxe
with an iron, gold, or diamond pickaxe (there isn't any uses for redstone in pocket edition so you won't get anything
Pressure Plates, and indeed all redstone items, have not yet been introduced into minecraft PE. This'll come in a future update.
There is no rubies in minecraft pe but if your talking about diamond you have to mine it with a iron pickaxe. You can't use a gold pickaxe
You don't. Since redstone is useless in PE, it is just there for decoration.
You can break the block with an iron pickaxe but not gain the drops. Not sure why they added the ores but not the actual redstone. I suggest not mining it so in the future when they add redstone, you have the ores to mine.
You mine it from redstone ore.
You need an iron pickaxe to get redstone in Minecraft.
In the old updates such as 0.7.0, you couldn't mine redstone, but now in the present you are able to mine redstone (0.8.1) it has improved over the last months, in pocket edition it can be used to craft powered rails and compasses. Happy mining!
You have to mine redstone ore.
As of 06/29/14, there are no Redstone Blocks in the PS3 version of Minecraft.
Yes, redstone can activate any type of door in minecraft :)
Redstone Blocks now exist in Minecraft 1.5. You can make them by combining nine redstone dust on the crafting table.