I admitted I didn't have any experience using e-readers before, so please forgive my ignorance. But in defence of me and all the other ignorant buyers, when a device is sold with the argument that it is a fully functional Android device, one might suspect that you'd be able to run some apps on it without too many problems.
This is from the Boox site itself:
> The book is based on the Android 10.0 operating system, which allows third-party applications to be installed on the device and significantly expands the scope of its application