There's an Android app for remote trigger but that's all I use a servo as a remote ringer... well I did until I smeared it on the road
How does the camera work for aerial video? Clean video out, video out port in a good place etc, thanks so muchI have the Sony RX-100 III and it works great, with full control and FPV
I have the Gentles cable to trigger the shutter, start stop video, zoom lens and turn camera on off.
http://gentles.ltd.uk/gentwire/multi.htm
I got an HDMI converter to analog (I had to go through three of them before I found one that worked, I got it on ebay
Best of Luck