MindBoard Pro for S-Pen (com.mindboardapps.app.mbpro) on Google Play
This is a freehand mind mapping tool for tablets.*) It is expected to use with S-Pen or digitizer stylus.# User Guide* http://www.mindboardapps.com/app/mindboard-pro/index.html# Key Features* Freehand / handwriting for mind mapping* Map : zoom and scroll , node collapsing and expanding* Pen : multiple colours and multiple weight * Branch : multiple colours* PDF/PNG export ( PDF export : need Premium subscription )* Cloud sync service* Google Drive import / export ( need Premium subscription )* GALAXY Note Multi Window feature* It's tested on GALAXY Note 3 / 8.0 / 10.1 2004 edition.Your question or comment will be much appreciated.* Contact Information : http://www.mindboardapps.com/contact.html