It is a live wallpaper for since Android OS 2.2. The thing installed in the SD card is possible.It is a fashionable application program that displays 400 kinds or more of addition colors that are on the screen.It is displayed by the Chinese character.Please confirm the attention exemption matters and ..confirming the operation.. situation on the support site.http://jisc-product.sakura.ne.jp/android/japanesecolor/en/