The THETA X has CaMM data.
What model of THETA do you have?
If you are applying the geo-location data from the Android phone, then use a separate logging track for GNSS data and match the frames with the timestamps of the video file.
Check out UL2GSV by Dean for ideas on how to accomplish your goal.
If you want to embed the GPS data into the video file exifdata, there is no corresponding way to do this with video (just time-based). If this is your objective, you must extract the frames from the video file first, then write the metadata with the GPS data.
Please advise on your use case, whether you are building an application, or you want to build a workflow for your personal use.