This is application which can help you to evolve yourself with help of notes/comments according to your current goals. You are logging events and learn your mistakes and where you can improve your behavior doing conclusions after them.

Application has requirements on the activity though:
-should have measurable feedback;
-should have action time which you want evolve and rest time when you can plan your actions (these action times generate events which we analyze in the rest time);

So, examples of activities that can be analyzed here are sport, e-sport, speeches, buisness decisions, marketing, competitions and etc.