title: How to save application state (variables' values, button states, etc) in Windows Phone 7 Silverlight application?
body: <p>How can I save the state of my Silverlight application in case user pressed back button (or for example pressed on banner inside application) to set the same settings on application resume.</p>
  
  <p>Is there anything similar to registry in Windows Phone 7, some local storage?</p>
  
  <p>Can I use any database to hold application settings and variable values in it?</p>