Thanks for your interest. Dark Mode for Android devices is still in works and should be out soon. Stay tuned for further updates!
Dark theme is finally here! You may need to update or restart your YouTube Android app to see the feature! 
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Dark theme is finally here! You may need to update or restart your YouTube Android app to see the feature! 