We're seeing questions about app optimization/testing from open web app developers in various channels - here's a new MDN article on optimizing apps for Tarako, written by Harald Kirschner (#/@digitarald), from App Partner engineering (he's now offline/on PTO for a couple weeks)
You can help by retweeting this link:
Apps for low-memory FirefoxOS devices - how to optimize for slow connectivity & coarse location
http://mzl.la/1pZ5Rn0