SI-Droid Event is an app that makes it possible to arrange simple orienteering events with SportIdent without having to bring a computer for the SICard readout. Just bring your mobile phone or tablet instead plus an SI Master and you are ready to readout the results from the runners cards. The SI Master is connected directly to the device with an USB OTG (On the Go) cable that can be easily found in many electronic or mobile phone stores for less than €10. Here are some examples: http://www.ama