Kittehface Software Developer is said to be the one of the best live wallpaper maker in the Android market. And I must say Koi Live Wallpaper is one of their best live wallpaper.
Koi live wallpaper is cool because of its water ripples. It can make your screen looks smooth and feels watery when touch. Double-tap to feed your fish! Tap a fish to startle it!
It has 20 selectable Koi types at maximum of 9 Koi fishes on screen.
Lots of background Images to choose or select your custom background image. Lily pads, flowers and rain speed are additional customization.
You can download this Live wallpaper on Google Playstore.
In order to install the downloaded APK file, make sure you allow Third-party Applications to be installed in your device or else downloaded APK file will not be installed; to allow them just go to Settings, Security and check the Unknown Sources/Non-Market apps.