Looks like there has been a lot of activity here. I don't check here too often, so your best bet is to post on the Clay.io Community.
lemo If more people request it, I'll get that in for you sooner than later. It's a lower priority right now, but keep mentioning it to me and it will eventually exist :)
I like the idea of a 'best' leaderboard - it's in the new version of the plugin :) link
urbano Not yet
space Ape - The zip file C2 makes for Chrome doesn't set the right security permissions to allow Clay.io to load in the Chrome Web Store. Try the steps here: clay.io/docs/chrome
HenMex Did the plugin previously work on BB10 and now no longer work?
InvaderX From what I've been told, the plugin doesn't work with node-webkit currently. It's on my todo list
Blacksmith & — - I now have an Android to test on, and it's working for me, including touch events. Can you download the most recent version of the plugin and take a screenshot of the CocoonJS log when running the game? Thanks!