This document discusses mobile application development strategies, including native, hybrid, and mobile web. It notes that mobile is huge and multi-platform, with security things validated on servers. Resources are limited. Mobile web can be easy to build but slow, while native is fully integrated but hard to build. Hybrid applications combine responsive design, Canvas, and native wrappers. The biggest challenges are performance and hardware integration. Factors to consider include performance, hardware integration, app stores, testability, deployment speed, analytics, budget, and staff expertise.