Remote Touchpad is a software, what gives your touch-screen mobile phone ability to act as wireless touchpad and keyboard for your computer. In addition it is possible to run in presentation remote control mode. Everything you need is a bluetooth module.
OW.NET -- 1-Wire API port from Java (and J#) to C#. Use the Dallas 1-Wire and iButton chips with standard C# using a serial adapter (also CF.net) or the TMEX drivers on the Windows platform. No J# distribution installation required.