Salesforce Mobile Simulator
There are a few ways to test Salesforce mobile scanning.
How to use Standard Web Browsing for Mobile Simulation
The simplest way is to use the standard web browser.
Log into Salesforce as usual.
Navigate to the Mobile Scan tab.
Then change the size of the browser to have a width that is similar to a mobile device.
How to Set Up the Virtual Machine as a Mobile Simulator
You can also follow this page to set up a virtual machine for the mobile simulator: