Each pet is used differently. Some of them have passive abilities while others can be used

Each pet is used differently. Some minecraft pe seeds of them have passive abilities while others can be used (by tapping on the ground) to cause some type of action. For example, a Sheep Pet can be used for getting a jump potion effect and a Blaze Pet can be used for setting mobs on fire.
Fight the evil Herobrine in an incredible battle for life and death. He has some amazing powers so make sure you’re well geared up before taking on the challenge. However, if you do manage to slay Herobrine he will drop a weapon and an armor set which lets you turn into Herobrine yourself.
How to spawn Herobrine?
To spawn the Herobrine boss you will need to craft a Herobrine Totem item. Once you’ve got the item tap on the ground with the item to build the totem structure.

Nucleo (ID: 201) – 7 netherrack + 1 nether quartz + 1 diamond
Herobrine Totem (ID: 510) – 1 diamond + 4 nucleo
This mod adds mcpebox.com/i-am-a-belieber/ crafting recipes for the horse armors and the leather saddle. Unless you use this mod none of the items (besides the leather horse armor) is possible to craft and can only be found in chests. If you want an easy way to get the items then this mod adds the possibility to obtain them by crafting.
How do I craft the items?
The recipes a fairly simple. All they require are diamonds, gold ingots or iron ingots (depending on which armor you want to craft) and then one obsidian block. The saddle is crafted with some leather and an iron ingot.