Galaxy Quest, a personalization app, is a mystical theme that lets you appreciate the profound beauty of the universe. It is developed by HOME by Ateam and is available for free on Android. To use this theme, you need to first install +HOME, which is a free customization launcher app.

With Galaxy Quest, you can personalize your wallpaper and icons with ease. The app offers more than 1,000 different themes to choose from, and you're sure to find a design that suits your every whim. The images used in the app are simply representations and may differ from the final product.

Overall, Galaxy Quest is a great choice for those who love to personalize their devices and appreciate the beauty of the universe. If you're looking for a mystical theme that can make your device stand out, then Galaxy Quest is definitely worth a try.