Traficar is an amazing carsharing company in Poland. Recently they introduced electric cars Renault ZOE, and everybody needs to ride this one. This app will help you find it.
To use the app you need to go to the traficar site https://www.traficar.pl/booking and paster the query.js into the console. There will be a notification popup asking for permission for another notification. The second one will be displayed in case any ZOE will come up on the map.