Thanks I just tried PassAndroid, pretty slick! I was using KDE Itinerary (way more features and always improving, but not too polished yet) to manage tickets before, now I have an alternative.
Regarding wireguard I always used WG Tunnel from f-droid, I’m looking at the official Wireguard app screenshots and it seems to have the same functionality (easy config import via QR scan, notification shade button), maybe it looks prettier. Not on f-droid, that’s why I didn’t come across it before.
It’s not short for bowling (although it can be expressed like that too), it’s the infinitive form of the verb, to bowl. “Have you seen the birds fly?”