Android 9.0 - worked fine up to Friday, no(t many) complaints.
With today´s update at least the issue concerning the "stuck" menus seems to have been resolved. Let´s wait and see...
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Regarding the issue described by f5pilot and peterzazou: It´s still there, just happened to me on zz2. When you keep the mission window open while waiting for the mission to end, the chances to see our beloved rotating G (instead of the window "mission successful") are quite good as soon as the counter reaches 00:00:00...
In the browser - Firefox 102.5.0esr (64-bit) in my case - the spook is gone after pressing F5, of course. In the app, however, you will have to close the app and open it again.