Happy new year 2017

Christmas live Wallpaper embodies the best traditions of new year and Christmas holidays: colorful fireworks, fluffy snow, forest tree dressed with twinkling lights, colorful presents and of course, the symbol of 2017: fiery cock. Concise combination of all attributes of the holiday will give you a great new year's mood and will decorate your phone high quality live Wallpaper. Happy new year!!! MerryChristmas !!!

Judging by the reviews over the past year, some do not know where you live live Wallpaper and how to install them. Because of this misunderstanding they had received several negative reviews and bad ratings.
The answer to the question - "why after installation in the play once button - delete".
This is a Live Wallpaper, so it should be. The Wallpapers are set to your section, i.e. in live Wallpaper.
Who does not know how to get to the section live Wallpaper:
Settings - display - Wallpaper - Live Wallpaper.