ScreenWall: Turn Old Phones Into Synced Widgets for Your Space
ScreenWall – Turn old phones into synced widgets for your space

I built ScreenWall to help you reuse spare phones, tablets, and monitors as synced displays without installing any apps. By simply opening a browser link, you can pair devices to create clocks, status boards, or ambient walls. This beta tool works with mixed hardware, letting you expand from a single widget to a full multi-screen setup instantly.
The product is meant for real-world leftovers: different screen sizes, bezels, orientations, and device generations.