By default, your presentation is set to advance when you tap a slide. You can set the presentation to advance only when you tap a link, or to advance automatically with no user interaction.
Tap
, then tap Presentation Tools.
Tap Presentation Type, then choose an option:
Normal: Advances when you click or tap a slide.
Links Only: Changes slides only when the presenter (or viewer) clicks or taps a link.
Self-Playing: Advances automatically, like a movie. No interaction is needed. Self-playing presentations are useful, for example, in a kiosk setting.