Festivals devoted to mobile moviemaking reinforce the obvious truth that we’re in a new age of filmmaking. The latest example is Smart: The London International Smartphone Film Festival. The founder is UK filmmaker Victoria Mapplebeck. Submissions are being accepted through May 31, 2021. Genres are: 1 minute (any genre), drama under 10 minutes, drama over 10 minutes, documentary under 10 minutes, documentary over 10 minutes, and experimental. Entry information is via FilmFreeway.