As you may know, I'm trying to make FotoSketcher truly multi-platform.
I'm currently working on the user interface part of the code and here are two screenshots : one in Windows 10, the other on my Android tablet.
Running in Windows 10 (Delphi IDE in the background) 
Android screenshot 
Added on May 25th: just tested on MacOS and it's also working fine.
MacOS screenshot
So far so good ;)
Best regards,
David