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

An enthusiast has successfully hacked a Nintendo Game & Watch Zelda edition to turn it into a retro emulation powerhouse by adding a custom SD card slot. The mod involved desoldering components, upgrading the memory chip, and adding a microSD card slot through intricate soldering. The device now runs Retro-Go firmware, allowing emulation of various consoles with vibrant graphics and save state capabilities. While the mod requires technical expertise, pre-modded versions are available for those who prefer not to undertake the intricate process.