Your best chance for survival is to tame a few wild dogs, so they can help fight with a ghouls. You also want to make sure that you've equipped with best gear possible, even though mod changes only their looks, but you can't survive in wastelands without proper armor and weapon.
Credits: Hexdro
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How to install addons:
- Download and unzip archive
- You will get one or few folders
- Put textures folder into /games/com.mojang/resource_packs
- Put behavior folder into /games/com.mojang/behavior_packs
- Open Minecraft Pocket Edition
- Create a new world or edit an existing world
- Scroll down into Add-ons section and select the ones you want to apply