Mac: Of all the days to (finally) launch a version of its app for macOS, Houseparty picked yesterday - the start of Apple's Worldwide Developers Conference - to make a big (themed) splash onto Apple desktops and laptops. And while Apple's announcement of FaceTime group hangouts probably took a little wind out of Houseparty's sails, the app is still makes it incredibly easy to chat with a bunch of your friends at once.