The app allows Xbox One players to navigate console menus via a mobile device. In addition to browsing on a TV screen, users can also remotely track achievements, watch clips recorded with the Xbox One or interact with friends.
The free app is a 40.8 MB download for iPhone and iPad, while the Android version is 14 MB. Earlier today, the app launched for Windows phones.
SmartGlass integration was detailed in September, after the company confirmed its compatibility with the console.