Cell Phone Displays are cheap and have high-resolution and touch sense, but use varied specialized inputs via ribbon cable. So, has the DIY community made any controllers to input HDMI? What about the touch sensor?
Recently, I only know of one solution, which is exactly that. It is open source and a great accomplishment, however, it does not support touch, yet still is not cheap, which defeats the purpose. https://hackaday.io/project/364-mipi-dsi-display-shieldhdmi-adapter
The single-board PC market has a selection of cheap, low resolution, touch screens. They input HDMI, and output USB.
This is an update to the old question Is it possible to wire up a cellphone screen to work with a different device?
This question isn't necessarily seeking consumer products as much as home-made devices.