Of all the technologies I got exposure to on my Comp Sci degree, SVG is the only one I really still use every day.
I might not be your target demo, but feedback's feedback!
Note that if you have an older (lightning) iPhone, don't bother with these. They require a pair of dongles. Not only does that make things really awkward, but one of the dongles ends up apparently blocking HDCP, and prevents you from using anything but ... your own... downloaded content.
I'm almost 50, and to me the image of boys playing conkers only comes from books or TV based in early 1900s UK. I've never actually seen anyone play it.
And nowadays people don't really grow up at all. They continue playing right into adulthood and old age, with luxury toys.