…it works like a social network for you battery. Anyone you approve as a friend can see your battery percentage and they can see yours. If you want, you can set it up so you’ll get alerts when someone’s battery gets low.
http://lifehacker.com/battery-share-sends-alerts-to-your-friends-when-your-ba-1776916628
И это всего лишь за 99 центов!
Комара на них нет.