An as close as possible copy of the IFTTT onboarding experience.
This prototype is also made in 4 other tools (Pixate, Origami, Framer & Form) to compare the differences between them.
More info: http://medium.com/sketch-app-sources/five-app-prototyping-tools-compared-form-framer-origami-pixate-proto-io-c2acc9062c61
Original app: http://appstore.com/IFbyIFTTT