Prototype is not only for designers, anybody with an idea should be able to prototype quickly & validate it.
Fake it till you make it
1. Set Slide size
2. Links slides
Prototyping is mainly connecting different screens. See how you can connect any 2 slides screens.
3. Animation/Transition of Objects
Keynote has magic move option to achieve animation effect on the object.
5. Prototyping with collaboration
Keynote provides option to share and collaborate. So, it’s easy to share with your friends & colleagues to get feedback about your prototype.