I don’t have actual experience doing this myself but in my opinion what you are looking for is kiosk mode. Here is an article https://www.raspberrypi.com/tutorials/how-to-use-a-raspberry-pi-in-kiosk-mode/ Edit: Here’s an article about autoplaying a slideshow in google slides. You can set it as chrome homepage or pass the url as a parameter when staring chrome (I think) https://www.linkedin.com/pulse/google-slides-autoplay-how-automatically-play-step-by-step-jha-rwzac

Im not saying buy Samsung but my two fridges, one 5+ years and one closer to 9 years still work. No idea about other appliances. In Europe.