Hello Stormchaser, thank you for your feedback.
Your explanation seems related to the “Empty stats on the home page rs.local” topic, so I think it would be better if the RPI-Shake provide a config file to edit the serial port.
We can find a solution for serial port CM3 here and worth a try.
Could you please provide us with a RPI-Shake installer (.deb)?
wich allow everyone to install the rpi-shake application on a fresh clean operating system (RPI Jessie or Stretch).