To flash the Storyboard demo to the RZ/A1 you will need to do the following:
Connect the J-Link to the RZ/A1 board and your computer (USB)
Power on the RZ/A1 board
Unpack the archive to a directory on your computer
Open the RZA1_demo directory
Run the FlashHomeAutomationDemo.bat or FlashWashingMachineDemo.bat script
When flashed, the RZ/A1 will reboot and run the Storyboard demo