In mid-June 2013, Blizzard announced testing of the Battle.net desktop app and it was released as a Beta in mid-August 2013. It appears to be a unified version of Blizzard Launcher for all of their games. It has a UI that resembles the more minimalist design of the Battle.net web site as compared with the more textured UI of the game-specific launcher. This replaces the launcher for all Blizzard games, and works similar to the current launchers, with background updates, repair tool, and more.
The Battle.net EULA (End-User License Agreement) was updated around August 1, 2013 to go with this new app.
Many options for all games, including game installation, security options, game updates, Battle.net desktop app specifics, and network details.
Installing one of the three games when they are not installed yet. The installation can be queued, meaning that if you press the INSTALL button of two games after eachother, the games will be installed in that order
The app is not dismissed when launching a game. It will continue running;
It can be minimized to Windows' System tray. It can be resized and maximized.