Development of a mobile application for Android

Requires the services of a developer of mobile applications on Android. It is required to develop a mobile application - a "fantastic" for Android 6.0+ with WebView. When you start the application, a request is sent to the server, on the server we determine to show a stub (for example, a Reg.form). Which leads nowhere) to a moderator/bot or open an URL in a webview for a real user

Subject: Dating (Dating)

If you already have ready-made developments (for example: - phantoms for dating) and experience in the development of such projects - this will be a huge advantage.

Basic requirements:
Code only Unity
Integration of WebView into the application, opening in fullscreen mode (Without address bar and toolbar) Do not reboot the webview after turning the screen.
WebView mode should support downloading files from the gallery and from the camera
Implement push notifications.
Saving cookies and the last link when you re-enter the application.
Small weight of final apk
The internal appearance of the application and design, beauty are not important, the main thing is that the functionality works.