This is a Mobile Screensaver for android. Unluckily, animated screensavers are being removed from android devices. I had many troubles to add this one to my 2018 Samsung note 8:
This is a Kaleidoscope for android. It used the ketai library, wich I think is outdated now:
Finally, this is a Vision Aid software i developed to aid myself
tell the difference between green and brown, cyan and pink, dark red and black, and so on. I eventually used it to see an old film intended to use special “spooky” glasses:
