Today's picture was drawn in an app called Flowpaper. It describes it as drawing 'with physics' and the best description I can give you is that it's kind of like drawing with webs of colour that... flow. It's neat and while it takes a few minutes to get the hang of how the thing moves and works you can learn to control it enough to create pictures that are recognizable objects.
This was an abstract doodle but I liked it because it ended up reminding me of a Madonna and Child painting. Click to see it at full size.