I remember I had a tablet,” 12-year-old Ryan Kaji says, recounting his earliest memory. “I was just clicking, scrolling, watching videos. I was a little kid, maybe three years old.” His ...

The movie features the stars of “Ryan’s World,” the Kaji family, playing themselves, Ryan Kaji, Shion Kaji, Loann Kaji, Emma Kaji and Kate Kaji.