xamarine base mobile app Develoment

I need a simple xamarine based mobile app, with 3-4 simple page as mentioned in the document. Need A simple mobile application developed in Xamarine using microsoft visual studio. This is a simple phase1 development , sort of poc. 1. Splash Screen with login option (login with facebook, user can skip loginloc 2. Home Navigation & Sun navigation (Hard coded no dynamic navigation is required 3. place & person Search screen based on the current location coordinate. 4. Facility to add new place & person 5. Facility to rate - 5 start place & person & facility to add Review comments Scope -- I will provide 2. Required google Map api accounts 3. Any hosting or database requirement you need to provide 1. regular upload to git of xamarine project code (using visual studio 2. final code of xamarine project 3. compiled and published android apk 4. Requried web api or rest webservice (I am fine with .net + sql server or php mysql service