This document summarizes a presentation about crashes in Android apps. It shows statistics that 11% of app reviews cite crashes as an issue. The presentation introduces common types of crashes like null pointer exceptions, out of memory errors, and index out of bounds. It discusses architecture-related crashes and concludes that crashes hurt apps by leading to bad reviews, lack of professionalism, and loss of revenue. The presentation encourages using common sense, focusing on user experience, leveraging tools, and being a helpful developer.