alt Hacker NewsPhones have been doing this for a LONG time, if you had a oneplus 7 pro (released may 2019) and took it into an extremely dark area, like where your eyes can't see anything at all, and take a 'night mode' photo, it asks you to hold it steady for about 4-5 seconds and is clearly taking a series of photos with long exposure time. Then it stacks them and uses data from the sensor of hand movement jitter to deblur.
The result when done outdoors (like, standing in a dark forest at midnight) will be a photo where you can actually see what's around you, and details show up as if it was a brightly full moon lit night.
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The Amazon Fire Phone did this in 2014. I'm not aware of any prior art in mainstream devices aside from gimmicks like 3D (stereoscopic) photos. I can't remember if the Fire Phone had any relevant gimmicks but it certainly used multiple lenses to produce a single image.
I think it's interesting that the same functionality appeared on iPhone in 2019 as well. Google tells me it was the iPhone 11 and iOS 13.
There is an iOS app that does this called Spectre: https://spectre.cam
From the authors of Halide.
That's a bunch of photos from the same camera, not 2 lenses at the same time