I met with the German company Innogames a few years ago at GDC, where the company told me it was eventually planning to bring out some of its browser-based strategy titles to iOS. I haven't heard much from Innogames since, until today: The company has announced that its next mobile title will be a client for Grepolis, one of the most popular games in its lineup. Grepolis is enormously popular overseas, especially among European gamers (the title claims over 20 million registered users), and in addition to Innogames' other mobile-enabled title, Tribal Wars, it should significantly grow the company's audience on iOS.
There's already an app from Innogames called the Grepolis Toolbox available on the App Store, but it's really just a companion app for the game, and this upcoming app will be a full client, allowing users to log in and play directly on the iPhone and the iPad. Innogames hasn't announced a release date for the app just yet, but it's scheduled to show the client off during E3, so we can probably expect it to be available on the App Store soon after that.