Chartboost, a mobile game discovery and monetization platform, announced $19 million in Series B financing, this week, led by Sequoia Capital, with participation from existing investors TransLink Capital and SK Telecom Ventures. “The sizeable check is a reflection of the 14-month-old company’s torrid growth, which Sequoia partner and Chartboost board member Jim Goezt described as the fastest his firm has ever seen in the mobile space,” PandoDaily reports.