That thread I mentioned shows how to install it, but I am missing something.
To me, I would need CLI access at/in/to the phone.
That's beyond me.
(Maybe not for this forum, but......)
But as I'm kinda known here, I thought I'd ask.
I'm asking because I used to use another program and wrote apps for it, but then THEY stuffed up the O/S and my apps stopped working/are no longer supported.
This (maybe/probably) leads to the next obvious question:
What can and can't NR do to/with the phone?
Access GPS?
Turn on WiFi/Mobile data?
MQTT is/was a big thing I use.
As to other questions yes to all. you will need to install termux api app, then you can send messages call phone number etc using the exec node.
You will need to learn about termux, there is a lot of information out there on the web though.
In my view, development for mobiles is a complete mess. It should be easy - but isn't. Most things are locked behind proprietary development tools. Mobile really needs the equivalent of Electron.
One day, I hope to have more time to look into web apps for mobile devices. With the right setup, there ARE web API's for accessing many mobile functions such as locations and this would fit in nicely with UIBUILDER of course. But it is yet another set of rabbit holes to go down.