That's a huge amount of marketing effort with very little actual answers to basic questions such as "why is this the future of video game preservation?" Seems like a hype-based product
It's a value proposition in the sense that it already exists and people want it, but it's nothing new. Cheap handheld emulator devices have existed for literally decades.
The "hype-based" aspect is that they're pretending like it's something revolutionary, hence why they are leaning on this Teenage Engineering-esque marketing style.
This isn't really new (it came out a couple of years ago), but as far as I know it was the first handheld FPGA emulator available.
There's debate in this thread about whether FPGA emulation is better or more accurate. In my experience it is, especially in recreation of sound as I remember it from back when these games were new.