You scan a QRcode and follow the link.
Then walk to the next post and scan the next qr-code.
Repeat until you are happy with your workout.
Your device will remember everything, you can close the page and even the browser.
You can take a break after scanning a QR-code.
By refresing the page or scanning the QR-code again you can restart the timer.
The elapsed time will be counted as a pause in your workout.
Every day will start a fresh workout.
This will NOT work if you change the browser during the workout.