title: How to check if app is running for the first time after installation?
body: <p>How can I check the widnows phone 8.1 app is running for the first time after downloaded and installed the app on their devices?</p>
  
  <p>My scenario is that, I want to create some tables using sqlite-net after the application is downloaded and running for the first time. and also what are the best practice of creating database/dataTables using sqlit-net which are being used in the app?</p>
  
  <p>I am using windows phone 8.1 universal app.</p>
  
  <p>Thanks</p>