This is a tutorial and below is the demo which shows a new way to play RetroPie games with an headless Raspberry Pi 3B+ and an Android “terminal” in the same LAN: traditionally the Raspberry Pi is directly wired to display, speakers (where the game is rendered ) and a gamepad controller. In this case, however, the Raspberry Pi is not connected to any display (except in the first part of the demo for clarity), speakers and controller. On the contrary, the game is played from within Android Chrome on an smartphone with a gamepad controller connected to the smartphone itself. In other words, the game video and audio are rendered onto the smartphone screen and speakers. The great thing is that no special, third-party application on the smartphone is required other than the stock Chrome browser.