The idea is to allow to the user to auto-login after his first verified connection. (Here you find the simple project) First of all you install this nuget package : Install-Package AutoLogin.Mabrouk -Version 1.1.2 Now, let's code :) In your App.xaml.cs (like here), class that represents the cross-platform mobile application, you write your test, if user's infos are already saved than you get directly the main page and the login page will...