Thanks for the info - that's very helpful.
In terms of security, I was more concerned about the manufacturer rather than Android 6.0. There are a number of threads which make the company sound disorganized at a minimum
https://www.mobileread.com/forums/sh...light=security
There is another post on Amazon which says the device has no MAC address
Any thoughts on security of the Nova Firmware - for example, their ability to track usage, documents and notes?