Arto Kortelainen found Eduten Playground:

• Significantly improves attainment“Most pupils are specially waiting for these lessons. Those who have troubles in maths get better results and self-esteem gets better. ”
• Moderately improves teaching efficiency and productivity“More done in less time. It’s nice to get points!”
• Moderately reduces teacher workload“Learning analytics may soon show if someone has misunderstood something.”
• Significantly provides school data“Learning analytics. For example how long each point has took time.”
• Moderately improves school processes