Not supported by the remote control feature, but you can import video files to RaceChrono, as long as your phone hardware supports it. But remember, RaceChrono renders to a normal 16:9 (or 4:3) frame only, so you'll need to convert your 360 videos first.
Comments
Read more: https://racechrono.com/article/faq/do-you-support-any-other-action-cameras-than-gopro