Google is building its own DeX: First look at Android's Desktop Mode

None of the mobile Linux distribution is working on this, even though it should be easier for them to fallback to a DE than for Android to invent a new one.

Ubuntu Touch has this feature

>Use it as a desktop PC

> Connect your device to a monitor or TV, and it expands into a windowed desktop. Productivity like on a traditional PC.

Ubuntu Touch is not that usable as, say, a dev machine, cannot run docker for example.