Google just teased a new Pixel Tablet, which we won’t see until next year, much to everyone’s surprise.
A stylus is one of those features, and there’s a good chance we’ll see one included with the slate.
Of course, Tangor might be a different device than the Pixel Tablet, but given that Google is only working on one tablet at the moment, that’s improbable, and this certification all but guarantees that a future Google slate
Pixel Tablet is USI-certified, any USI-certified stylus should work with it, and those styli should work with any other USI-certified device.