I think this bit from the FAQ is the info everyone on here is looking for
> Internally, the EXT platform is split into two parts. The first part is the frontend, which is built using Electron; the second is the control application, which is shipped as a separate executable file. When the frontend is launched, it runs the control application as a child process.
So basically EXT is an electron app which wraps around small web apps offered through ext.store
> Internally, the EXT platform is split into two parts. The first part is the frontend, which is built using Electron; the second is the control application, which is shipped as a separate executable file. When the frontend is launched, it runs the control application as a child process.
So basically EXT is an electron app which wraps around small web apps offered through ext.store