overview.txt

There are three versions:

1. Unminified code:
racer.html
racer.js

2. Firefox OS app:
i.html (minified racer.html with minified racer.js included, without some metadata)

together with i.png and manifest.webapp zipped into racer.zip
distributed via github.manifest.webapp or racer.manifest.webapp

The ZIP file (or the data stored on the device, which is a bit larger) count for the 10KB limit.

3. Progressive web app:
index.html (from i.html, with manifest.json and service worker included, and with metadata added back)
manifest.json
sw.js