How to use:
Home -> Menu -> Wallpapers -> Live Wallpapers.
Note: It is live wallpaper so you can't open the app.
FAQ:
The cup of beer live wallpaper.
It can show amount of beer base on your battery level
(Please choose Battery Level in Height setting).

1. Why is there "Internet access" permission?
It is for Google ads on setting screen only, nothing else.
2. How to show it base on you battery level?
Open setting -> Height -> Battery level.
Or you can choose another amount of beer.

Screenshots: 

Video: