>>2346319 Are you hinting at the possible large gold reserves in the Grand Canyon? If they are really there, it would be a game changer.
Presentation about methods of detecting stego images, covers PixelKnot & others.
https://www.nist.gov/document/jennifernewmanwednesdayafternoonsessionpdf
Please read this
https://www.nist.gov/sites/default/files/documents/2017/08/23/jennifernewmanwednesdayafternoonsession.pdf
and this
https://guardianproject.info/apps/pixelknot/
You don't need Android necessarily.
Some steg detect programs run on other platforms.