Keymu, the keyring console
Keymu. © c.Invent.
Does the mini Super NES, unveiled ten days ago, still feel too bulky? The keychain-sized Keymu may be for you. This ultra-mini Game Boy-style console features a 1.5-inch OLED screen and an Intel Edison processor. The hitch? You’ll have to build it yourself. Detailed instructions are available on Hackaday.