EInkBro is terrific. I filed a bug last year, the dev fixed it in less than a week. I use the stock launcher, but on an old Nook I used ReLaunchX, it was fine. On that device I only had two applications that I used anyway.

I have not tried KOReader, but I can test it for you. What features do you use?

I'll second EinkBro as an awesome browser. I absolutely cannot stand anything else on my e-book reader: Onyx BOOX Max Lumi, Firefox/Android, Onyx's NeoBrowser (rebranded Chromium), and DDG Privacy Browser installed, I only use those if EinkBro blows up for some reason, which it very rarely does.

I've had a lot of interactions with the developer and the GitHub repo, and he's been quite responsive. Hasn't addressed everything, but several features added and bugs get smashed fast.

I'm going to check that out. I have had a Max Lumi for years and have been happy with it, but I never do browsing.

Any other apps I you recommend?

I try to minimise the apps I install / use.

Though I'd give nods to:

- Termux, of course. Linux-on-Android userland. There's a suite of related apps which I also install (e.g., Termux:API and Termux:Styling.) There's a black-on-white theme which works quite well (default is white-on-black, not so much).

- F-Droid. FOSS archive repo, independent of Google Play.

- Aurora Store. Alternative interface to Google Play.

- APK Mirror. Direct access to app installs, though not managed (no updates).

- Hacker's Keyboard. Far preferable to Android or Onyx defaults.

- A podcast app. I'm using AntennaPod (FOSS), have also used PodcastRepublic in the past.

- RSS Feed reader, though I'm finding I don't make much use of this. Feeder seems to be the default.

- Internet Radio player. Transistor is one option. Not something used frequently, but handy to have.

A few others though most are very occasionally used and/or disappointments (e.g., Mozilla's Pocket App, which has been an absolute shitshow, despite potentially filling a critical niche). For the most part I avoid anything that has an account associated with it, largely to avoid distractions. Though also because tablets are shitty generative tools. Adding a Bluetooth keyboard helps slightly, but Android still throws in far too many limitations.

Oh, it was just out of curiosity, as an eInk device with a more accessible platform (compared to my old Kobo with it's old Linux system) is something I love to daydream of. Thank you for your reviews!

As for KOReader, I mostly use the epub reading capabilities, and the FTP client for getting files onto it. I've tried it as an app on my Android phone but it felt a bit cumbersome in a smaller screen, and I think the faster refresh rate of LCD panels doesn't suit it well. I do really love it on my Kobo, though.

Koreader handles the reading part perfectly on my Boox device. For ftp I use the default Boox functionality which works well for me. Einkbro is good but I ultimately stick to Firefox for the sync between devices. No experience with other launchers as I don't use any other apps and the default one doesn't bother me

+1 for Kobo on Boox. +20 for EInkBro (which I use with Bazqux reader for awesome RSS experience).

Some other apps that work (not amazingly but they do work well enough ) are Todoist, readwise reader (hard to use but good to have locally to check excerpts and notes), Syncthing and obsidian (but only to read notes in case to want to check something)

Blinklist (?) audio reader worked too. Outlook too. But most of these apps I just use them to look things up and avoid switching to phone when reading (I leave the phone in my room while at home)