Flutter Mobile App project with Laravel Backend

I have a flutter project
I want to replicate website, android, ios apps, update logos, change color etc

Below is the link of the codes that I have purchased from Codencanyon:
https://codecanyon.net/item/6ammart-multivendor-food-grocery-ecommerce-parcel-pharmacy-delivery-app-with-admin-website/36772112?s_rank=5

I need to replicate the following:
Website
Admin Panel
Android & iOS Apps for:
User App
Vendor App
Delivery App

PFB link for project details:
https://drive.google.com/drive/folders/1GxU0oi2_N2WQdyYbRRW_MQPC0LJ6heuX?usp=sharing