So, I made a 360 degree video, and I was like 'lets upload that' - But I needed the metadata tool, so I downloaded it. Opened it and this is what it looks like: http://prntscr.com/9kvmdg
I don't know what makes you think that this is not "real" metadata injector. There is whole guide about how to use it here. And here is even a video guide by CrushedPixel.
