I’m not expecting much. I just wish it would work consistently. I don’t know how many times it’s just decided to crash or turn off or fail to wake. It’s never even been reliable as a simple watch like what you mention. At least not for me. But, it’s been fun to play with for a small fee.
https://f-droid.org/packages/app.cclauncher/
It’s basically a FOSS rewrite of OLauncher. It gets regular updates.