Minecraft Pocket 0.15.0 ((link)) -

Version 0.15.0 expanded the bestiary to reduce the "empty world" feeling:

The community was clamoring for parity. They wanted the "real" Minecraft experience. Mojang listened, and the result was an update so packed with content that it crashed the launcher for a few hours on launch day. minecraft pocket 0.15.0

For the first time on Pocket Edition, you could push and pull blocks using redstone. This opened the door for countless contraptions: Version 0