https://www.reddit.com/r/chromeapks/

http://archon-runtime.github.io/

https://chrome.google.com/webstore/detail/twerk/jhdnjmjhmfihbfjdgmnappnoaehnhiaf?hl=en

http://apps.evozi.com/apk-downloader/

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https://www.reddit.com/r/chrubuntu/comments/391mh5/help_thinking_about_getting_the_acer_chromebook/

https://johnlewis.ie/custom-chromebook-firmware/rom-download/

https://plus.google.com/communities/112479827373921524726