Mendix native app url problem

Hi, I want to access local app through Mendix native app. → is my sandbox and → is my local url which point to the app when i run locally. But for sandbox i can acees app by scanning qr code but for local app i am getting error like the url does not point to mendix app. I don’t know whats wrong. Can anybody help? I am using mendix modeler 7.23.6 Thanks  
1 answers
  1. is your mobile connected to same network as your local machine?
  2. does your network allow you to connect to another device?
  3. is your runtime port accessible for other machines?