After installation, the app will request:

If you cannot find the official app, these Android alternatives offer similar or better hologram effects:

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

"holo flash projector"

Look for apps with:

Example of a safe app: "Holo Flash FX – 3D Projector" (hypothetical name). Always verify the developer name and user screenshots.