Make use of AchievementsReward may be received with your Achievement being displayed, in accordance with your actions.
-How to receive reward1. Tap on the icon on the upper-right of the screen.
*Or, tap on the [Menu] > [Achievement] on upper-right of the screen.
2. Tap on the Present Icon.
By using Achievements, you can receive more rewards.
Make sure you make good use of it.