If you prefer to use the app with the original colour scheme, please disable ‘dark theme’ via your device’s system settings. To turn on night mode, enable ‘dark theme’ via your device’s system settings. Please could you make sure that the video is placed at the top or just below the top action bar so that the video is in full view of the screen (or as much as can be seen on your screen).

This is a problem with the Youtube component which is used to play videos in the app whereby the error is shown if the video is not placed correctly on the screen. We are aware of this problem with this error message in the app when playing videos occasionally. Getting a ‘Video must be visible to play’ error message If you need help with your subscription, please contact and we will be able to help you.

To get the best experience of Guardian’s crossword and other puzzles like Sudoku, you might want to consider our standalone Puzzles app. We are aware of problems with crosswords in the app on occasions and these issues are passed to the development team who will be keen to investigate. I am having issues with the crosswords in the app Currently there is a very small amount of content that does not work on mobile devices. We’re working hard to bring every piece of Guardian content to the apps. Why can’t I see Sudoku, quizzes or polls?

For more tailored content, you can choose the Australian, International, UK and US editions of our content in the settings area. You can find a full list of permissions that we request here. The Guardian app works on all Android devices running Android 8.0 and up.

Download the new for android Sudoku+ HD