Nintendo's Game & Watch hacked and turned into retro emulation beast — Solder job unlocks device from its Zelda-only cage thanks to a custom SD card slot

Macho Nacho Productions has modded an original Zelda-edition Game & Watch to run Retro-Go, a custom firmware that unlocks the hardware's full potential. This hacked Game & Watch can now emulate various consoles, includes support for save states, and even has a microSD card slot. But getting here wasn't easy.