Source code for ESP32
https://github.com/pieteroskam/autopilot

Assembly guide:    • Bluetooth Autopilot Assembly hardware...  

App can be downloaded here:
https://play.google.com/apps/testing/...

Facebook group
  / 721879886302423  

Please ask the questions in the facebook group. I want to create a community so that we can help each other and develop faster. I also will upload new updates there.

I can make a unit for you, see details in the github link