Thunder Egg Add-on for Minecraft PE adds new weapon into your game, which can make lightning strikes. This weapon will be replaced by egg. You should take the egg, through it and in that place will make lightning strike. It is not only beautifull graphic effect, but also mobs around will be damaged. Amazing range weapon, good for group of mobs.
developers: Jimbo_Acob, Twitter Account
How to become new weapon?
As I said already, new weapon will replaced by the egg. So, you should find the egg in your inventory and that through it somewhere. After that you will see lightning strike, which will damage mobs.
Something more you could see on the next screenshots below
for Minecraft Pocket Edition 1.2 +