This document provides an overview of guerrilla filmmaking using smartphones. It discusses that guerrilla filmmaking involves using little to no budget, small crews, and real locations. It emphasizes that with today's smartphone technology, high quality video can be captured on a phone. It then provides tips for smartphone filmmaking such as using manual camera apps, optimizing settings, preparing equipment, following basic filming techniques, and editing on the phone or computer. The goal is to think creatively and tell stories in a unique visual way using readily available smartphone technology.