SF3, also known as the SmartFone Flick Fest, is an international smartphone film festival based in Australia. It is recognized as one of the world's leading festivals for films shot entirely on smartphones or tablets, welcoming filmmakers of all ages and experience levels from around the globe. SF3 aims to democratize filmmaking by providing a platform for creators to share their stories without the need for expensive equipment or large budgets. The festival includes various categories, screenings, and awards, with live events often held in Sydney, Australia.