getNextFeedbackMobile is a convenience wrapper for getNextFeedback
 
    This method is a convenience wrapper with the same behavior as
    calling getNextFeedback('View', 'Mobile'). The 'Mobile' view 
    provides access to data from mobile devices such as phones
    or tablets. This includes fields such as GPS data, and 
    ARCore/ARKit estimates.
 
    Example
       % Read the current battery level (in %)
       fbk = group.getNextFeedbackMobile()
       value = fbk.batteryLevel;