Just finished building my PiGRRL Zero W, loving it so far! : r/raspberry_pi
Overview | PiGRRL - Raspberry Pi Gameboy | Adafruit Learning System
PiGRRL 2.0 Kit Pack - Build your own Pi Game Emulator! [CASE + RASPBERRY PI NOT INCLUDED] : ID 3014 : $59.95 : Adafruit Industries, Unique & fun DIY electronics and kits