[Renate]

Originally Posted by ZodWallop

Realistically, I expect the Glowlight 4 to come out with exactly the same firmware...

Wow, you're cynical. And wrong.
The Glowlight 3 and the Glowlight 7.8" have stock reader software version 650.
The Glowlight 2 and the new Glowlight 4 have stock reader software version 631.
Yup, the discontinued Glowlight 2 and the latest, greatest have the older version reader software.

Spoiler:

  "model": "piper", // Glowlight 2
      "bnereader": {
        "url": "http://su.barnesandnoble.com/nook/piper/4.2/bnereader-master-4.2.1.1-release.apk",
        "version": "631",
        "md5": "e7a3ca70e0958b8425fe0fbc062e7769"

  "model": "jay", // Glowlight 3
      "bnereader": {
        "url": "http://10.227.6.183/~wlee/bnereader-master-2341-release.apk",
        "version": "650",
        "changelog":  "Testing changelog for 4.7.0.1334 bnereader OTA update",
        "md5": "7993ca0a425784b9e039d983fb5cc5b1"

  "model": "quill", // Glowlight 7.8"
      "bnereader": {
        "url": "http://10.227.6.183/~wlee/bnereader-master-2341-release.apk",
        "version": "650",
        "changelog":  "Testing changelog for 4.7.0.1334 bnereader OTA update",
        "md5": "7993ca0a425784b9e039d983fb5cc5b1"

  "model": "gentoo", // new Glowlight 4
      "bnereader": {
        "url": "http://su.barnesandnoble.com/nook/piper/4.2/bnereader-master-4.2.1.1-release.apk",
        "version": "631",
        "md5": "e7a3ca70e0958b8425fe0fbc062e7769"

Yes, the OTA updates do indicate this, but I think that's just copy/paste errors. The reader in the new Glowlight is 51 Megs vs 36 Megs for the Glowlight 7.8". I'll try to see what the difference is.

So, I installed bnereader.apk on my cell phone and got this: