The Additional Resources included in your chosen course which are to download as files are already available from the App. If you cannot access them, please update the App to its most recent version to make sure you can find them accordingly.
This way, you will be able to download the Additional Resources of the course to view the PDF files directly on your device, as well as download other formats (PSD, .zip, etc.) to easily locate them in external services such as Dropbox or Google Drive.
We hope you find this information useful and continue to enjoy your learning experience with Domestika.