Access app as the app owner
After making all the required changes in an app as the app owner, you might want to check how the app looks and feels like to the users accessing the application. You can click on Access This Application on the top right corner to access the live application.
Once you click on Access This Application, you will be navigated to the live application which you can test and decide if you want to make further changes to the application. If you decide to make further changes to the application, click on Edit This Application on the top right corner and you will be navigated back to the design page of the application where you can make the required changes.