Oscar winners Sean Baker and Michelle Yeoh have secretly teamed up for a new project, which will world premiere at the Berlin Film Festival later this month. In collaboration with the London-based fashion house Self-Portrait, the “Anora” director returns to his iPhone-shooting roots for “Sandiwara,” described in a press release as an “immersive cinematic experience.” It’s the first film from Self-Portrait’s Residency program, which launched last year with the aim of inviting creatives “from all