In short. Each walkthrough shows one task in the app, in under two minutes. The explainers say why the app works the way it does. Nothing loads from YouTube until you press play.
Walkthroughs
Start with setup and logging a case by voice. Watch them all in order on YouTube: How to use Case Logbook.
Loads from YouTube only when you press play.Loads from YouTube only when you press play.Loads from YouTube only when you press play.Loads from YouTube only when you press play.Loads from YouTube only when you press play.Loads from YouTube only when you press play.Loads from YouTube only when you press play.Loads from YouTube only when you press play.Loads from YouTube only when you press play.Loads from YouTube only when you press play.Loads from YouTube only when you press play.Loads from YouTube only when you press play.
Explainers
Loads from YouTube only when you press play.Loads from YouTube only when you press play.Loads from YouTube only when you press play.Loads from YouTube only when you press play.Loads from YouTube only when you press play.