The free app Cat Live Wallpaper HD has many cute pictures of cats. It has been designed to look really great on your phone or tablet. You will be able to choose from different themes, such as nature, city, ocean, animals, etc. You will be able to set different live wallpapers for your home screen, lock screen, and notification screen. It is very easy to use, and you will not need any special knowledge to use it. All you have to do is download it from Google Play and install it. You will be able to find all the necessary settings in the settings menu.