Mobile monetization and ad-tech firm Tapjoy has today announced that they have acquired Korean analytics and marketing automation firm 5Rocks. 5Rocks enables user segmentation, cohort analysis by app behaviour, purchase patterns, social activity, referral channel and more, and notifies developers when there are various anomalies detected in their data. Additionally, it had previously received US$2.3 million in funding from Japan’s Global Brain, after James Jung (CEO, beSUCCESS) made an introduction at beLAUNCH 2013. “5Rocks is…