Amazon.com: Game HAT Raspberry Pi Handheld Game Console Kit Portable Video Classic Gaming Console with 3.5" 480×320 IPS Screen Display Monitor for Raspberry Pi A+/B+/2B/3B/3B+/4B/Zero/Zero W @XYGStudy : Electronics
Amazon.com: GamePi43 Accessories Classic Portable Retro Video Game Console Compatible with Raspberry Pi 3 B+/3B/2B/B+, with 800×480 4.3inch IPS Display : Electronics
GamePi43 Accessories Kit for Raspberry Pi 4B/3B+/3B/2B/B+ Portable Retro Video Handheld Game Console with 4.3inch IPS Display 800x480 Pixel 60 fps Smooth Gaming Experience Speaker Earphone Jack : Electronics
Handheld with 7 inch screen finished - RetroPie Forum
AdventurePi: The Ultimate DIY Raspberry Pi Portable Arcade - Howchoo
Amazon.com: GamePi43 Add-ons Accessories Handheld Game Console Kit Raspberry Pi Classic Portable Retro Video Gaming Console 4.3 inch 800×480 IPS Screen Display Monitor for Pi 4 3 2 Model B B+ @XYGStudy : Electronics
DIY Kits for Raspberry Pi Handheld Console (Looking for Recs) : r/RetroPie