Use APKPure App
Get Train Counting old version APK for Android
이 귀여운 응용 프로그램과 함께 시간을 통과 : 기관차 및 마차를 계산합니다.
It's a really simple and fast application if you are boring, or just want to pass the time.
Simply count the locomotive and the wagons.
Be careful, it's addictive.