This document provides an overview of Optimizely for mobile apps. It discusses how mobile usage is growing rapidly and time spent on mobile devices now exceeds desktop. It then shares customer stories from French Girls and Secret Escapes who significantly improved key metrics like activation and signups through mobile A/B testing. The document demonstrates Optimizely's visual editor and code capabilities. It proposes a framework to test across acquisition, engagement, retention and monetization. Specific mobile testing ideas are outlined for each area like layouts, feature placement, checkout flows, permissions and reviews. Best practices are shared around integrating Optimizely, planning a testing roadmap, and verifying experiments.