Among quite a collection of interesting Motion Sense features that use both a radar chip and the front camera, the Pixel 4 and 4 XL also come with a screen attention function that keeps the display on as long as you're looking at it. It looks like this feature doesn't use the Soli radar and relies solely on the front camera, so so there's nothing stopping it from being deployed to older Pixel phones. We asked Google about it, and unfortunately, it confirmed to us that it doesn't have any plans to expand it beyond the Pixel 4 for now.
Read More