Filed in the category of "things we just noticed" is a pretty strange interface element discovered in the "help" interface of Google Settings. When opening an article, users can tap a "full screen exit" icon in the toolbar to trigger the little floating window seen above.

The window is reminiscent of the one found in YouTube, where users can collapse a video and keep browsing, but this window can be moved up to the top of the screen as well. Sliding it to either side will dismiss the mini-window. Here's a quick video demo:

There's no doubt this element seems a little out of place in Google Settings, but my first guess is that, functionally, it would serve a similar purpose to YouTube's mini player - if a user is following step-by-step instructions in a help article, they may want a fast way to switch between the steps and the app that they're dealing with.

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