This app is just a reincarnation of the old 1.x version of the Windguru app for those who prefer it to the newer Windguru Lite that is also available at Google Play.
This old app will not be developped further, it's simply too difficult to maintain the old and outdated code...
WARNING! If you do not know anything about Windguru and you are looking for classic weather app with animated weather pictograms, this is NOT FOR YOU! :-)
Please note that the original Windguru website is made as a Progressive web app, which means it can work just like an app on your Android device and offers full functionality. It's recommended to use it like that. More info at https://www.windguru.cz/apps.php
This Windguru Lite version is only a simple alternative available from Google Play.