https://wccftech.com/todays-list-of-paid-apps-that-are-on-sale-at-the-play-store-including-cloudplayer-platinum-and-more/

Nothing free today, unfortunately. But a load of good apps on sale. Do check them out.

VGB is a GameBoy emulator. It runs Classic, Color, and Super GameBoy games on your phone or tablet. VGB also emulates the pocket printer addon, link cable, rumble pack, cheat codes, and comes with cheats for dozens of popular games. Save your game progress at any moment, or even rewind gameplay back in time. Brag about it to your friends, then let them start playing where you have left off. Or play together over WiFi. VGB supports GoogleTV and lets you play using Xperia Play, Moga, iCade, Wiimote, Sixaxis, Nyko PlayPad, and other gamepads.