Creating a transition from one page to another could not be simpler. Draw a hotspot, choose a destination page, choose a transition type and then preview. You can keep it simple by using page transitions, or use custom transition to fine-tune the timing and easing for each transitioning element.
Check out this article to learn how to create animated transitions.
Once you’ve added your hotspots and are ready to preview your prototype, hit ‘review’ in the bottom right to preview your prototype, or ‘share’ to generate a link so you can review your prototype on a different device.
Check out this article to learn about previewing prototypes on a mobile device.