The Themes app primarily enables users to personalize their smartphone's interface by changing wallpapers, icons, widgets, and overall layout of the home screen. It offers a variety of themes that reflect user preferences, enhancing both enjoyment and visual appeal of the device.

Yes, the Themes app is compatible with both Android and iOS platforms, allowing users on either system to customize their device's appearance seamlessly. Some features may differ slightly due to operating system limitations.

The app provides free themes for users, with optional premium themes available for purchase. Premium options often feature more detailed designs and exclusive functionalities, letting users choose to upgrade if they wish.

While generally lightweight, extensive use of dynamic or live themes might slightly impact battery life and performance. Users should select themes compatible with their device's capabilities to ensure optimal performance.

Yes, the app includes features that allow users to create personalized themes by choosing specific wallpapers, icon styles, and widget arrangements, offering a deeper level of customization beyond pre-made options.