The app does exactly what it should do. Temperature display on the lock screen, weather status in the "notification area" (do not know exactly how I otherwise call sol) and when you start the app you get next rain probabilities also a precipitation radar. However, this is better to use the WLAN as mobile. Then sometimes takes something until it is loaded (and probably cost a lot of data volume). If it could be improved, it is that the probability of rain is broken down only on day / night and not on an hourly sections. That would be even more useful for my purposes. Nevertheless, in addition to the app, entitled "Weather" (by wunderground.com) the best weather app that I know