Build codecanyon Flutter APP

I have purchased an app from theme forest and require for the setup and configuration setup of both app and admin panel if possible would also like to customize the app with my logo and colour changes and content change if possible would also like to integrate AdMob to the app and few other options app already created will require flow changes also to make app different

Please only bid a price happy to set to will not increase any futher

App URL Sample is https://codecanyon.net/item/nerd-vpn-flutter-vpn-android-full-application-with-iap-integrated-with-backend-and-admin-panel/28722345#