EHang SDK provides a bridge for your own mobile applications to your G-Box/VR and GHOSTDRONE. The architecture of mobile apps with EHang SDK is shown as below.
You can get started by checking out iOS tutorials here and Android tutorials here to begin building Apps for your own GHOSTDRONE. Here are some key iOS classes and Android classes in SDK as a reference if you need a refresher.
It would be great to hear from you for any suggestions or simply showcasing your awesome work with the rest of the users. Sign up in the EHang Developer forum and join the new community.