@f_verbaas said in poser.RegisterAddon() – can't get it work: Tablet extending Poser interface ... Very interesting thought. Yes, and because MQTT is a very fast TCP protocol, it should also be possible to use sensordata from phone/tablet. It works technically already, but to make it usable a nice interface for tablets is required. This is a lot of work. Especially because I'm not deep into making user-interfaces. But I will try with QT5 beside of finetuning the communication part.