Have you ever needed to debug a specific issue on a mobile device rather than the desktop? Have you been stuck trying to pull logs from XCode but would rather have debug access?
Safari on OS X allows you to debug Mobile Safari on device or iPhone Simulator via the desktop.
My iPhone "Big Yin" is connected to my Mac via cable. I can see Big Yin as an option in the Develop menu of Safari.
If I select the device I can see the web page that is currently open in Mobile Safari on the device. For this exercise I created a simple Fiori Launchpad in the Cloud Portal of my HCP trial account. I added two applications both built using WebIDE from template and connecting to different OData sources.
http://go.sap.com/developer/tutorials/hcp-template-mobile-web-app.html
Selecting the page then opens the debug view.
I now have the developer experience I was hoping for when debugging on device with debugger support an not needed to rely on logs and annotations.
I can inspect the data, set breakpoints, see network traffic etc, just like debugging on the desktop.