This is an unofficial application for Minecraft Pocket Edition. It contains the Lucky Block addon, which can be used to get lucky items and unlucky items, such as an armor, tool, or diamond. The application can also be used to craft Lucky Blocks. The item is given to you by a random number generator. 

What do you need to start using the addon?

You need to download the application and install it. After installation, you will be able to use the addon. To start using the addon, you need to open the application and select the Lucky Block tab. Then, you need to select the desired item and click on the "Get Lucky Items" button. The application will randomly select an item for you to get.