If you upgraded to 11.2.x from 11.1.x and have a blank screen or the app crashes, uninstall and reinstall...
The main screen of the app displays all of the information regarding solar wind along with current and forecast Kp values.
The charts screen displays the solar wind data in a chart which shows past values which impacted Earth along with future values for the next 45 minutes to an hour.
The Ovation screen displays the current OVATION forecast issued by SWPC.
The reports screen displays aurora reports from around the world!
The app guide provides much the same information as you will find here.
The about screen just provides simple information about the app and its development.
The settings screen is where you can control your notification and, if subscribed, your location settings.
This page explains the solar wind variables in the app, what they mean, and what we look for when deciding to pursue the lights at night!