Interactive Projector vs Interactive Display (Which is better?)
interactive projector makes touchscreen with any interface. - YouTube
This projector turns your wall into a touchscreen | Mashable
Projector, HORLAT Full HD 1080P 5G WiFi Bluetooth Projector 4K Supported, 16000 Lumen with Touch Screen, Auto Keystone Correction, 50% Zoom, Home Cinema Projector for Smartphone/TV Stick/PS5 : Amazon.co.uk: Electronics & Photo
Turn Any Surface Into a Touchscreen - IEEE Spectrum