Do you like Quick, Draw? Well what if you could train/predict doodles drawn inside Streamlit? Also draws lines, circles and boxes over background images for annotation.
Ability to have a library for images, icons - which could be pre built or custom - user can load his or her own images, icons in this library or could be pulled from third party open source libraries of icons.
Ability to the user to drag and drop the Icons/images into the Canvas.
The enhancement required is