MDScan S Painter is a SPen support module for Mobile Doc Scanner + OCR and Mobile Doc Scanner Lite. This module allows users to use their SPen to draw and annotate on scanned documents and images. It is a free app available for Android devices.

With MDScan S Painter, users can easily highlight important sections of a document, add notes, or draw diagrams. The app supports various drawing tools such as a pen, highlighter, and eraser. It also has a zoom feature that allows users to zoom in on specific areas of a document for more precise annotations.

The interface of MDScan S Painter is user-friendly and easy to navigate. The app is lightweight and does not take up much space on the device. Overall, MDScan S Painter is a useful tool for those who frequently work with scanned documents and images and want to add annotations using their SPen.