This addon adds a bunch modern tools to Minecraft and they replace just two different mobs. For example, one of the tools is a fridge which you can use for storing your food (or any other items) and another tool lets you cook your raw food items in an instant on a kitchen stove. Besides using them for their various tasks you can also use them for decorating your worlds as they are essentially new types of furniture.
See the installation guide for the installation manual.
DISCLAIMER: This is an unofficial application for Minecraft Pocket Edition. This application is not affiliated in any way with Mojang AB. The Minecraft Name, the Minecraft Brand and the Minecraft Assets are all property of Mojang AB or their respectful owner. All rights reserved. In accordance with http://account.mojang.com/documents/brand_guidelines