Chess Game Application Development

Chess Game App – Developer Requirements
1. Sign Up Page
Username
Password
Phone Number
Gmail
Terms & Conditions checkbox
Sign Up button
Login option for existing users
No OTP verification
2. Home Page
Sliding banners at the top
Game slots displayed below the banners
Bottom menu:
Home
Invite
Wallet
Profile
3. Game Slots

Each game slot should show:

Chess/game image
Entry amount
Prize amount
All slot details must be manageable from the Admin Panel, including:
Add/edit/delete slots
Change slot image
Change entry amount
Change prize amount
Enable/disable slots
4. Chess Game
Chess game against the computer
Hard difficulty mode
Use virtual coins for the game
Before starting a game, check whether the user has enough virtual coins.
If the balance is insufficient, show a popup with the message: “Add money to play.”
After making the qualifying deposit, the user must refer 3 eligible users before being allowed to play.
An eligible referral is counted only after the referred user completes the qualifying deposit.
Each successful referral gives ₹10 coins to the referrer after the referred user completes the qualifying deposit.
Show referral progress clearly, for example: 2/3.
Allow the user to play only after completing the required 3 eligible referrals.
5. Profile
Profile photo
Username
Edit username option
Change password option
Basic account information
Logout
6. Wallet
Deposit/add money
Buy virtual coins
Display coin balance
Shopping link instead of a Withdraw option
Coins can be used to purchase products through the shopping section
Transaction history
Display referral rewards, including ₹10 rewards received for successful eligible referrals
7. Shopping
Coins used to purchase products
Add a Shopping link/button in the app
The Shopping link should be manageable from the Admin Panel
8. Invite
Each user gets a unique referral/share code
Share the code with friends through available sharing options
Display referral progress, such as 2/3 eligible referrals completed
Clearly explain that a referral becomes eligible only after the referred user completes the qualifying deposit
Display the ₹10 reward earned for each successful eligible referral
Track referral status, including pending and completed referrals
9. Admin Panel

Admin should be able to:

Manage users
Manage game slots
Edit slot images and amounts
Enable/disable game slots
Manage banners
View wallet transactions
Manage shopping link
Configure the qualifying deposit amount
Manage referral requirements, including the required number of eligible referrals
View and manage referral records
View successful referrals and ₹10 rewards
Manage referral eligibility and reward status.

https://codecanyon.net/item/jhoom-html5-game-tournament-app-contest-app-flutter-app-admin-panel/54745810.

I want to purchase the Jhoom HTML5 Game Tournament App – Flutter + Admin Panel source code from CodeCanyon.

I need an experienced Flutter + PHP full-stack developer to modify this existing source code according to my requirements.