This is a Game Boy Camera. It was released in 1998 and was an early and cheap digital camera. It took pictures like this one:
Then Nintendo released the Game Boy Printer:
And then fifteen years later Let’s Cafe by Family Mart adopted (what looks like) the same technology to print on milk foam:
People have been fooling with dot-matrix milk printers for a while, but they they all previously kind of sucked. This new technology from Taiwan looks way better, in a terrifying kind of way. We’ve entered the uncanny valley of milk foam here, people, and there may be no turning back.