Yes since the Boating app was updated in July 2019.
- Export the route from the Boating app, a list of applications is displayed.
- Choose your file manager and save the route in the download directory of your Android device.
If you do not have a file manager, install the Mi File Manager app - Rename the file if you want.
- In SailGrib WR, long tap on the screen > Manage Routes > Import a route in GPX format and choose the file to import.