I dusted off my Gamemaker Studio 2 dev environment and got "7 Pies" working as a browser game. I plan to release this the same time as the general release for "7 Pies". It should render okay on a mobile device, but will have to fiddle around with that some more.
Admittedly, there's something more zen-like doing this with actual cards than digital ones. It's as if the little quality of life things we expect from games (e.g. dimming cards that are not valid plays) takes away from the experience? /shrug
Have a great weekend!