We build Butter Box, a tool for making life offline a bit smoother. It's based on this same principles and in fact, one of the creators is friends with Jason :

We build Butter Box, a tool for making life offline a bit smoother. It's based on this same principles and in fact, one of the creators is friends with Jason :-) Ours is tailored for scenarios where Internet is unavailable due to disaster, government shutdown or simply cost. It has an app store, an encrypted (matrix) chat server with a simple web UI, and maps (since you probably didn't download google maps for you area before the Internet went out). We localize the boxes (mostly for central and south america) and have sent a few dozen around the world to communities with various use cases.