Flutter Video Calling App Setup

want to install this video calling android app, its flutter make it live with all the functionality.

https://codecanyon.net/item/shortzz-short-video-app-flutter-script-with-admin-panel-android-ios-tiktok-clone-template/38177023?s_rank=4


Requirements:
- Install and configure the app
- Integrate payment gateway
- Add my logo (design ready)
- Integrate all required APIs

Ideal Skills and Experience:
- Proficiency in Flutter development
- Experience with video calling apps
- Familiarity with payment gateway integration
- Strong API integration skills
- Ability to customize and deploy mobile apps