My main dashboard is on a little 480x480 LCD android wallpanel, so I have a template that uses a grid of buttons which can perform actions themselves or navigate to and from other pages with other functions. every page uses some variation of that template, usually 9 buttons but it can be more or fewer as needed, or nesting grids within larger grids in some cases.

This main panel is in my "theatre" aka the spare bedroom I claimed for a media room, so most of the control is based around triggering actions and flows mostly orchestrated by NodeRed but a few functions are direct to HA for simpler functions. there are other pages that bring up controls for other rooms and my original plan was to put one of these panels in every room but I never really got there.. one day.

I use the wallpanel addon to run screensavers, but the LCD panels also have a sensor that turns the screen off until you put your hand near it, then it wakes up to the screensaver with the weather and any warnings until you tap the screen to bring up the main page.

main page:

example source selection grid, still working on making this neater or less ugly, maybe more nested pages based on user or type or simply culling sources never uses in this particular room, though most of the time you walk up to the panel and hit movie mode on the main page, then any other switching is accessible from the remote itself.

I need a lot of selections because just this room has multiple local devices, some on the TV, some on the receiver, then some on the main HDMI matrix for the whole house, then there are a couple of IP feeds and other devices. switching and sequencing all of those steps on each device is done in Nodered, that also sends a ping to the smart remote to set it to the right mode for what is chosen and it all stays in sync if the source is changed from the remote, since it is all orchestrated in nodered.. sources like the TV and Sat tuners I am working on a round robin style selection for those so you just tap it and it goes to whichever one is free or warns you if it is being used in another room, but 90% of the time only one of those is being used at any one time so that would work OK. that way I can get them down to one button.

I also have a simple phone dashboard with climate controls, sensors, status etc. that can also bring up these control panels if needed but I mostly use the dashboard on the touch panel.