It is a live wallpaper for since Android OS 2.2. The thing installed in the SD card is possible.It is a joke application program where the bone seems to be transparent of the hand with a smart phone like magic when the screen is done in the slide.Do other mysterious events happen?! Please try what happens by yourself. Please confirm the attention exemption matters and ..confirming the operation.. situation on the support site.http://jisc-product.sakura.ne.jp/android/magichand/en/