since the update came out (for survival mode) all you need to do is:
a) wait until night
or
b) make a mob spawner (water+dark place=hostile mobs spawning)
Yes
They Is Creepers In Minecraft Pocket Edition. If want to see them you have to play in survival mode and it have to be in night time mode and turn off peaceful.
Creepers have not yet been implemented in Minecraft Pocket Edition (as of 0.3.3) however in the planned changes list it is mentioned that they may possibly be implemented in 0.4.0
Yes.But I not sure because I see the minecraft wiki of creeper.
Yes there is signs in Minecraft Pocket edition
you cant have a minecraft pocket edition username
No, they are no enderman in Pocket Edition of Minecraft 0.8.1
When would Minecraft Pocket Edition 12.1 going to be out
Yes, there are villages in the updated Minecraft Pocket Edition.
As of Pocket Edition 0.3.0, cows have been part of Minecraft Pocket Edition. If you have that version or above, then there should be cows.
Minecraft Pocket Edition costs $6.99 in the Google Playstore or the Appstore.
You can not get minecarts on minecraft pocket edition. Also, minecarts are not planned for the next update.