On Sunday August 14 2022 21:28:18 Koeame wrote: >> Long-click is the traditional way to bring up the context menu in touch >> interfaces; it would not surprise me if the tablet handles this >> autonomously. >> > It's not a touchpad for human fingers, it's just a projector tablet that >can only sense the pen that comes with it. That's irrelevant, you're still using it as a touch interface to interact with an application. Now either that goes through support in/by each application, or it goes through the standard HID layers, i.e. your device is going to function as a pointing or a typing device. R.