Download and install the app, then select your preferred theme from the interface and click 'Apply' to set it as your desktop wallpaper.

Stars at Night provides pre-made themes; customization options are limited. You can choose different themes via Settings > Themes.

It offers stunning time-lapse landscape images blending night sky and terrain, with 19 different themes to enhance your desktop background.

Currently, the app includes 19 themes; updates depend on developer releases. Check Settings > About for update notifications.

Yes, you can preview each theme in the app interface before applying them to your desktop.

Stars at Night is free with all 19 themes included. No additional purchases are required for core features.

Currently, all themes are free; if future premium options are added, you can upgrade via Settings > Account > Subscriptions.

Try restarting your device or reapplying the theme through Settings > Themes. Ensure your desktop background permissions are enabled.