Need a sports fantasy gaming application (frontend and backend) for mobile

You will be needed to develop backend services and a frontend application for fantasy sports gaming application. To know about them you can check this application https://www.vision11.in/howtoplay . The basic features are similar to this application with some additional unique new features. You can let us know the estimate by taking an overview of this application. We can discuss the additional requirements later and decide the final price later.

Preferred Technologies: Java spring boot for backend