[folken]

The display has an SPI interface with a 15s per page refresh rate and is only useable for sinage.

There is however the Hisense A5C phone with Color E-ink Display now on the market and it features a decent refresh rate.

https://forum.xcsoar.org/download/file.php?id=1113

[Valord]

If interested check out https://goodereader.com/blog/ for more info on what's coming out for e-ink.

Not affiliated, just a fan.