Here’s what the device is if (like me) you didn’t know what it was (and, if, maybe like me, you didn’t want to watch some random video).
It seems to me that those machines are poor PCs and poor Steam Deck wannabes.
However, they do remind me of my favourite PC of all time, the fabulous Vaio C1 PictureBook by Sony. Mine had 64 Megs of memory (extended to 192 I think) and 12Gigs of disk. And, you bet it ran Linux like a champ (Mandrake, with KDE).