Google’s latest tweak to its official Google app for Android should bring a dark mode to the app on all Android smartphones. But since this is Android we’re talking about, and yet another Google rollout, your results may vary.
You’ll need the latest beta version of Google’s search app and if all things are good you’ll see a General/Themes option within the app’s settings.
See how at How to Enable Dark Mode in Android’s Google App
Soon, every app will have a dark mode, because it looks cooler than a bright white background, period. Google’s latest tweak to its official Google app for Android should bring a dark mode to the app on all Android smartphones. But since this is Android we’re talking about, and yet another Google rollout, your results may vary.