Koi Fish in the Pond is a free live wallpaper app available on Android platforms. The app offers a visually appealing water ripple effect, which is interactive and can be activated by finger touch or by changing device position. The app enables the accelerometer in the settings, which makes it even more interactive. The app has a preferences screen that allows users to change wallpaper settings, including ripple size and enabling/disabling the accelerometer.

The app is easy to install and does not contain any push notifications or icon ads. To install, simply long-press on the home screen, select Live Wallpapers, and choose Koi Fish in the Pond. Overall, Koi Fish in the Pond is a beautiful live wallpaper that adds a touch of nature to your Android device.