You spawn on an medium island. In this island contain some trees and plain biome then it have a chance to spawn some animal on this island. Also, in the center of the island you will find a little hole by digging it and leading down to a tunnel. Take a little time to explore the tunnel system you will see some diamond blocks or you will meet some zombies or leads to an open zombie spawner. Careful.
Seeds : Airbus A318 Work in PE ver0.10.5 or ver0.11.0+