For older phones there seems to be a way fixing it by enabling Dev mode and enabling a second a second simulated Display with 720 x 480 mdpi (secure). S9 does Not have 720x 480 mdpi Option and all other Resolution Options does Not seem to Work. Any ideas ? Solutions for older phones https://amp.reddit.com/r/GearVR/comments/452vqo/does_this_fix_your_chromecast_issues/
