I've had it for years, but recently quit working, so need to find a link. I love this app.
The application was probably discontinued because there is no source to download it from. The official website doesn't load properly to obtain a download link. Unfortunately, you can't use the application anymore since it's not available. I recommend checking the database of Software Informer to look for other alternatives. I have narrowed down results to display only the apps related to virtual painting.
I just used it for the iPad. It's still working there.