I found the link under Routes, New , Routes(upload). I now have all the routes I created via Tyre within MyRoute-App. I did this on my PC. Now all handhelds running the MyRoute-App see those routes.
Next question - When exporting a route (I need to create a GPX file for my Harley nav), is there no option to choose the folder where your GPX file gets created, or will it always default to DOWNLOADS?