Argh, I really thought I fixed that! That's super frustrating.
To progress, you sign the form by clicking the space below the signature to add your own.
I'll try again in a bit.
As someone who also got stuck on that page, clicking right below the first signature at the bottom of the page on the web version seemed to work for me!
So I played again, and got to the fishing. Sadly, at that point I could not figure out how to actually play any of my cards.
This game has a lot of potential, but spending some time highlighting what needs to be pressed and a tutorial in playing the cards would be helpful.