Download from your app store, open the app, and follow the on-screen instructions to enable the theme in your personalization settings.

Yes, navigate to Settings > Personalization > Themes, then select Cosmos Dreams and customize accent colors and images if available.

It offers a surreal dreamscape background, celestial textures, organic patterns, a dark mode interface, and a twilight lavender accent color for a minimalist yet futuristic style.

Go to Settings > Personalization > Themes, select Cosmos Dreams, then customize backgrounds and accent colors as provided in the options.

Currently, it applies locally and does not support multi-device syncing. Set it up individually on each device via Personalization settings.

The basic theme is free, but some premium images or additional customization options may require a subscription or in-app purchase, accessible via Settings > Account > Subscriptions.

Navigate to Settings > Account > Subscriptions, then select the plan or options you wish to purchase and follow the prompts.

Try restarting your device, ensure the theme is enabled in Settings > Personalization > Themes, or reinstall the app for a fresh setup.

The app supports most recent iOS and Android devices; please check the app store listing for specific compatibility details.

Yes, go to Settings > Personalization > Themes, then select your previous theme or default options to revert.