Fluid Time Entry for Punch Reporters on Smartphone

We are in the process of moving to the FLUID interface.  We currently have our student workers enter time through Employee Self-Service.  We would like to enable this feature on their phones.  I see that as punch time reporters, the delivered page uses the web clock where system time as entered as the punch time.  This will not work for our student population as they tend to enter time at the end of their shift.  Is there any way to enable entering the actual punch times if you are using a smartphone?  I see we can do it on a