Rice Tseng is an interaction designer with over 2 years of experience who has won design competitions. The document outlines Rice's process for creating mobile prototypes, including key points like providing the right scenario, using prototypes for conversation, and implementing meaningful motion design through properties like animation, timing, and transitions. Rice explains how they use tools like Keynote, After Effects, Framer.js, and Flinto to create interactive prototypes that can be tested on devices.