To get eggs that spawn animals in Minecraft PE on Survival Mode pawn use the command /give.
By either going into creative mode and getting a Spawn Egg, or by activating "Cheats" in Survival mode and using the command "/give (Minecraft Name) (Number) (ID Number for Spawn Egg/Name of Spawn Egg)"
You go to the command, Type in Spawn, space, then the creature name, id, random.
You need singleplayercommands. On teh command bar do /setspawn
Try: 383:99
The only way to spawn herobrine in minecraft is to use mods as you cannot spawn him in vanilla minecraft.
A dungeon in Minecraft can spawn on any level that normal land can spawn on
Wolves will sometimes spawn in forests in Minecraft PE 0.9.0 and above.
No, currently in vanilla Minecraft dinosaurs are not in the game. This means there are no spawn eggs for them.
In creative mode you can spawn a zombie with the egg
You can't spawn in a farm. You make one.
Yes, villages spawn in the 1.0.0 release of Minecraft. They were originally added in version 1.8