All the latest information from ADAC GT Masters champion Daniel Keilwitz and Callaway Competition can now be accessed via smartphone and tablet. The DK Racing app and the Callaway Competition app, both of which can be installed free of charge, contain up-to-the-minute news about the defending champion and the Corvette specialists as well as postings from Facebook, Twitter and links to YouTube. Bonus feature: the weather forecast for the next race.

Over the course of the eight race weekends of the ADAC GT Masters season, the Keilwitz and Callaway apps will be adding yet more services. The push function ensures instant notification of upcoming events, autograph sessions with the drivers and merchandising campaigns. As the new season gets underway, the ADAC GT Masters champion's many followers have even more to get excited about as a range of fan items goes on sale.

You can download the Daniel Keilwitz and Callaway Competition apps for iOS from Apple and Android from Google by entering the search terms "Daniel Keilwitz" and "Callaway".