Rear Projection Films for Glass, Projection on Glass anywhere!
Priviglaze Smart Glass as HD Rear Projection Screen
Rear projection screen - Glimm Display
1.52x6m Rear Projection Film/transparent Rear Projection Screen Film For Glass - Projection Screens - AliExpress
Amazon.com: Portable Projector Screen with Stand, Outdoor Movie Screen, 80 Inch 16:9 Light-Weight, Mobile and Compact, Easy Setup and Carrying, Projection Screen with 1.2 Gain Glass Fiber, Idea for Home Cinema : Electronics
Priviglaze Smart Glass as HD Rear Projection Screen
How to maintain superior projection quality in your projector glass.