Alec is describing the earlier version of the Onyx BOOX Lumi, I've got the next-generation version (Max Lumi), and there's since been an update to that.

Some of the issues (display mode toggling, manual display refresh) are addressed, some remain. The "Navigation Ball" seems to be a new feature of my device not present in Alec's walkthrough, and puts numerous controls closer-to-hand. In particular there's an ability to tune contrast and display modes for each individual application (for most, "Speed" or "A2" mode is preferable to "Normal"). I get used to switching these for specific tasks / reasons (that is, within the same app). It's a quirk of the device.

Otherwise, quite a useful walkthrough, and fair as to device features and faults.

I'm a horrible guide for that as I'm really not an artist.

The BOOX notes app (which doubles largely as a paint app) is pretty good, however.

The principle issues with third-party drawing and handwriting apps, from what I understand, are:

- Input lag for Android-native as opposed to BOOX/e-ink optimised is much greater.

- Android apps tend to presume colour and animation, both of which are poorly supported by e-ink. (Though there are in fact colour e-ink devics, including from BOOX.)