At the moment it doesn't do much, just gives you a sort of "fullscreen", for lack of a better term, view when you click/tap on it where the stats and/or genes aren't shown, but in the future, it will probably be for petting nichelings
Probably a bug
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ISTANBUL WAS CONSTANTINOPLE NOW IT'S ISTANBUL NOT CONSTANTINOPLE BEEN A LONG TIME GONE CONSTANTINOPLE NOW IT'S TURKISH DELIGHT ON A MOONLIT NIGHT
*cough* er... sorry, I really like TMBG...