Dolphins 3D is a free video live wallpaper app for Android devices. The app, developed by Video Wallpapers, offers a wide range of free online video backgrounds and wallpapers. The unique technology used in the app allows it to run smoothly on 95% of Android devices without affecting battery life.

One of the main features of Dolphins 3D is its online gallery of free video backgrounds and live wallpapers. The app offers a variety of options to personalize your device, from calming ocean waves to playful dolphins. The app saves to the SD card by default, making it easy to access and customize your wallpaper. Additionally, the app provides adjustable speed (frame rate) options, ensuring a seamless video experience.

Overall, Dolphins 3D is a great option for those looking to personalize their Android device without sacrificing battery life. With its wide range of free video backgrounds, users can easily customize their wallpaper to suit their preferences. The app is compatible with many smartphones and tablets and is easy to install via the Home -> Menu -> Wallpapers -> Live Wallpaper route.