On the rear of the RetroN Jr., you’ll find an HDMI port as well as composite connectors if you’ve still got an old CRT television still kicking around. looks familiar to you, well that’s because it all started off as an April Fool’s joke back in 2017. You can plug any of these three generations of cartridges into the single slot at the top of the device and play games upscaled to 720p through emulation on the big screen. It’s a little retro console box you can connect to your big-screen TV to enjoy all your classic GameBoy, GameBoy Color, and GameBoy Advance games.