: If you download .mcpack or .mcaddon files, open them directly with Minecraft to import the Resource Pack and Behavior Pack . Ensure both are activated in your world settings. Gameplay Basics

: Inside the app, create a new "Forge Instance" specifically for version 1.12.2 .

: If your device has low RAM (less than 4GB), restart your phone and close all background apps before launching to prevent crashes. How To Download & Install Jenny Mod in Minecraft (UPDATED!)

If you are using the standard Minecraft Pocket Edition, you may find "companion" apps that simplify the process: