I try to develop a mobile app

  

I create App in develop center but I don’t know how can I activate it.

  

Note I’m a beginner and this is my first project.

There is a great tutorial that will give you a step by step: https://developer.dji.com/mobile ... ck-start/index.html

You can also get a step-by-step guide for using the UX SDK (which will give you a quick ramp up on UI):

iOS: https://developer.dji.com/mobile ... ials/UXSDKDemo.html
Android: https://developer.dji.com/mobile ... ials/UXSDKDemo.html