1SE on Android doesn’t support HDR, but you can still add snippets from HDR videos: 1SE converts them to SDR automatically.
Restoring HDR snippets on a phone without HDR
You will receive a warning if you attempt to restore your HDR content from a backup to an Android or iOS device that does not support HDR video. If you choose to proceed, your snippets will be restored, but they will lose their HDR qualities.