This document discusses EffectiveUI, an award-winning user experience agency that creates custom applications. It provides an overview of EffectiveUI's services, including user research, design, and development. It then lists 8 criteria for good user experience and examples of companies EffectiveUI has worked with. The document focuses on lessons for mobile UI design, emphasizing understanding use cases, following design guidelines, testing on devices, and getting designers and clients involved in the design process.