It popped up in my fakebook feed so I checked it out. I let the AI compare the hardware and other features between Jolla and my current phone, also the one I have been eyeying on as a replacement... except of the hardware being better than my current one and that being Linux with better privacy, I haven't seen any other positives. I think they are not there yet. Android has a better compatibility with Android apps, I got warned that perhaps some banking apps and other proprietary ones might not work on Jolla phone.
jolla.com
The Privacy Respecting European OS and AI Solution Provider
Jolla offers privacy-first OS and Edge AI solutions continuing the legacy of Nokia and MeeGo, driving mobile innovation into the human-centric AI era.

