Gamer Revives 1984 Sony Watchman as Game Boy Color
retronews.com
Masaki Crafts successfully transformed a broken 1984 Sony Watchman into a functional Game Boy Color. The modified device features a cartridge slot, HDMI TV output, headphone jack, and a link cable port, along with an SNES controller port for HDMI use.
Def not my cup of tea... It looks awful. But if they're happy with it, that's all that matters I suppose.