This document summarizes the Multi-TouchJ framework, which enables multi-touch interaction on large displays using an infrared pen and Wii Remote. It presents the background on multi-touch technology development. It then demonstrates Multi-TouchJ, describing its hardware setup using an infrared pen and Wii Remote, as well as its software architecture and user interface components. The document concludes by noting that the whiteboard application was successfully ported to multiple operating systems and invites others to get involved with the open source project on GitHub.