build a simple android app in Xamarin

Andriod App to be developed with Xamarine. Upon start, reads mobile phone data (IMEI, MAC,IMSI,MSISDN). After read, opens a WebView and calls an external web page to be displayed within the webview. Call to external webpage must pass mobile phone data as parameters. No data read, set to "ND". No external page available, show local screen with logo. Complete with exit button. See attached diagram.