This app will communication between App Inventor's app and IOIO board to make your IOIO board available on application which developed by App Inventor. It's easier too create any app for IOIO board.


How does IOIO Inventor work?
http://doc.inex.co.th/ioio-board-how-does-ioio-inventor-work/


How to use IOIO Inventor?
http://doc.inex.co.th/ioio-board-how-to-use-ioio-inventor/
In this tutorial, please change package name from "com.inex.ioioappinventor" to "com.inex.ioioappinventorinter" and change from "com.inex.ioioappinventor.IOIOCommand" to "com.inex.ioioappinventorinter.IOIOCommand"


[IOIO board] Command Code on App Inventor for IOIO Inventor
http://doc.inex.co.th/ioio-board-command-code-on-app-inventor-for-ioio-inventor/