MQTT Dash (https://play.google.com/store/apps/details?id=net.routix.mqttdash&hl=en) is a free Android app that makes it possible to create custom user interfaces to control your MQTT devices. To set up a new control surface, you have to enter the destination of your MQTT server, a username, and a password (if you are using a private MQTT server), and then you can start building your user interface. There are various modules that you can add to the surface. For each module, you have various options available:
The only required settings for each user interface element are the name ...