Development of WebView applications under gambling/betting

Development of WebView applications under gambling/betting (WebView + Android.The web app for the next Gulf on Google Play!When we open the app, we check out some of the phone/user parameters and if we get everything right, we open WebView.
on the entire screen with a link that we take from the Bd Fairbeys.What we check:
1 .If the user does not have a sim, we show the native part.2ndIf a user is from the United States or India - we show the native part.ThreeAfter all the checks - we check the specific field in the BD of Fairbays.If the field we need is empty, we open the native part and if there is a link, we open it in WebView.Requirements for WebView:
Access permission to a photo from WebView (this is not just permission, but something smart).When you click the back button in the navigation bar - don't hide the application, but return to the previous page in WebView.WebView should be friendly with both https and http links.Keep cookies so that you don’t have to authorize each time on any site.Turn the screen: When changing the screen position, do not send it to the home page.When the keyboard is rolled for the text input - the keyboard is rolled not over the wing, but is comfortably pressed by setting the input field.Remember the end address (after all redirects) and when the next application starts to open it, not what is stored in the Firefox.Even if the field in Farbage is already empty.You also need to connect firebase push notifications.