Here's what I worked on. My demo wasn't great due to some oversights (failing to warm up the cache, a bug in the code, not having had a breakthrough on compilation), but I had a breakthrough the night after the hackathon demos, and here's the result.
Voice Based Offline Wikipedia Prototype (Google Drive | iCloud)
Compiling DeepSpeech with TensorFlow Lite bindings for Raspberry Pi 4 or Raspberry Pi 3