Different trees to pick from and they all twinkle like it says and there is a snow one too. Does exactly what it says. Its an app to open on your screen. If you push the home and power, it takes a screen shot to put to your desktop, so of course it doesnt twinkle. Read the description and you will get what it says.
Dolphin_girl_72 about Live Christmas Tree ( Animation Screen & Ambience Lighting & Wallpaper )