There is a foldable LED screen at CES this year that works similar to how you describe but 4 panels horizontally. The four panels fit so well that no join is visible.

https://youtu.be/A5bHCXRxAMg?si=AYEJ_HC5nFrjQHps

Babylon Berlin might be right up your street!

This is a fun new puzzle game. Like a cross between Tetris and Ingenious

https://play.google.com/store/apps/details?id=com.xceler8games.triangles