YouTube’s “app store” for games is rolling out more broadly. The company announced on Tuesday that its collection of lightweight, free games dubbed “Playables” will soon start to appear in the YouTube app for all users, in addition to the YouTube Home page. Previously, the games had been made available to select users for testing before arriving for YouTube Premium subscribers last November. Because they don’t monetize as paid downloads or via in-app purchases, YouTube’s Playables don’t directly...