당신이 항목의 두 그룹을 계산 할 수 있습니다 응용 프로그램입니다.
Application that allows you to count two groups of items. Imagine that you are trying to count good and bad things that happened in your life. For each good thing you press volume up button and for each bad thing you press volume down button. And when you done remembering you will simply see the numbers.