I sub to a few mobile Linux feeds and I want but don’t at all think mobile Linux is ready, even for tech devotees. Too battery hungry, not enough ease of use, missing functions, etc. And that’s not including lack of apps.
Sailfish gets closest so far I think. But yes, not ready. Ubuntu touch last time I tried is fine but still a bit out of sorts.
I haven’t looked terribly far into it but zrok (SP?) is based on openziti