If you want a hobby you can check node-red you can run it via a terminal emulator or as a standalone app. I'm running a dashboard which gets data around web and show on other local computers or on the phone screen.

https://nodered.org/docs/getting-started/android

https://play.google.com/store/apps/details?id=com.okhiroyuki...

not afiliated any of them I'm a happy user