GitHub - starshinata/PS4-Keyboard-and-Mouse-Adapter: Allows you to play any game on your PlayStation 4 with a keyboard and mouse, no controller required, and it's free
IOGEAR KeyMander 2 Mobile Adapter for PS5 Keyboard and Mouse, Mobile Phone, Compatible with PS5 Remote Play, iPhone, iPad, Apple TV, PS4, Xbox Series ...
Remote Play on 5.05 PS4 + Keyboard & Mouse Support - YouTube
Cult of Android - Sony promises PS4 Remote Play for Mac and PC 'soon'
How to use keyboard and mouse on PS4: play with preferred gamepad on PlayStation 4, and find out how you can use Xbox controller on PS4