Hello friends, I am playing this game from past one month and would like to know that is there any tricks or method by which I can improve the keystone rewards, whenever I am trying to complete the keystone then time runs out, such that I am very much slow to complete the keystone challenge. I would also like to know which keystone I should go for, such that which keystone are having good rewards and very much beneficial for me. Please do tell me about it, so that I can play those and get the use rewards to score more points. I really finding this game to be interesting and wanted to get to higher level as fast as possible. Thank you.