Just letting you all know, As of the latest Juxt Update, The "Go to Miiverse" Button from games like BoxBoy, Planet Robobot and Triforce Heroes is FINALLY functional. Now you can check the community directly from a game's "Go To Miiverse" button and don't need to scroll for it.
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From now on. trying to do that shouldn't result in a 404 Error. so please feel free to try it out.