Once you have downloaded the updated app and built your pyramid, follow these steps:

Use terms like "Screen Mirroring" or "Projector Cast" rather than "Flash Projector" to find functional tools.

Uses a transparent plastic pyramid placed on your screen to reflect "hologram" videos. Best for a 3D-like desk display.

: Videos showing these apps "working" typically use green screens or hidden real projectors to create the illusion. Legitimate Hologram & Projector Apps

Check reviews; many apps claiming to project from the flash are listed as "Pranks" in their descriptions.

Believe it or not, legitimate developers have released apps under similar names. Open the Play Store and search exactly for: