Follow these steps to create your own demo in Storyboard Designer for the STM32 target platform:
Create a new application with a screen resolution of 480x272.
Add content to your application
Simulate and test your application on the desktop to verify functionality
Insert the sdcard in your system and mount it
Export your Storyboard application directly to the sdcard
Right click on the Application file (.gde)
Select “Storyboard Export”
Select “Export Storyboard Embedded Engine”
Under “Select export directory” deselect the “Use same directory as selected model file” checkbox and select “Browse”
Browse to the sdcard and create a new directory for your application
Select “Finish”
Edit the “SB_App.txt” file on the sdcard and change the name of the application to load to be your new application, including directory name and gapp file name.
Place the sdcard into the target platform and reboot