Yes, you are able to upload play cards from HUDL.
To upload your cards from HUDL, you'll simply need to get your plays downloaded as a PDF file. See below for steps:
1. Navigate to either the "Practice Scripts" or "Playbook" section on HUDL.
2. "Print" the file/cards you want. But instead of actually printing, just download and save the file as a PDF.
3. Make sure you select "One play per page".
3. Follow the importing process to drag and drop your HUDL pdf into GoRout.