I have an OTG cable on the way to me from Amazon right now. Probably be here tomorrow. I can try it on my galaxy note 3 and let you know how it does. Maybe even record the whole thing with my git1... Gitception! Lol
Got some odd results... But don't put much stock in it. You'll see why below.
When I first plugged it in, the camera showed the gitup logo, then for a split second showed what the camera could see, then went to a white screen: charging mode with a USB symbol above the animated battery graphic. the phone reported that the USB storage device "NOVATEKN" was corrupt and did i want to repair it? No, I do not. I unplugged the camera, removed the SD card and tried again. Same thing except without the warning on the phone about corrupt SD card.
When I plugged that SD card into my tiny mono price OTG card reader, it also reported that the USB device was corrupt. Yet I could play the videos on the card just fine using x-plore file manager.
Tried starting Android FPV viewer but it didn't recognize the camera. Pressing buttons on the camera didn't do anything.
So the asterisk here is that the custom ROM I'm running has some bugs like no audio in phone calls in the handset (but it's fine on Bluetooth or speakerphone), and sometimes the screen blanks out and won't respond to any buttons... So maybe there's something wrong with the OTG section. It just occurred to me that I could have hooked up my ezvid clone video capture device as a test, but now I'm more focused on fixing my phone.
If I can finish some stuff for work in time tonight, I'm gonna try to flash a different ROM and see if it's better.