Make a mod of a mobile game to be able to modify the models and textures of the game

Job ID: 35559598

Budget: $30 – $250 USD

I need a way to be able to modify the textures and models of a specific mobile game.
It won't be released it's just for personal use to test models and textures.

Changes can be made simply by changing files and putting them with the same name.

Game:
https://play.google.com/store/apps/details?id=com.kitkagames.fallbuddies&hl=pt_BR&gl=US