I have no idea what happened to this game. I’ve been using it for almost a year, and my amount of shots has totally changed. I already contact their support but no one answering. So I decided to abandon this game and play another games instead. Luckily, I found this https://thegameroof.com/top-8-android-games-with-best-graphics-that-are-playable-on-pc/ and download all the games there. All of them are very fun and entertaining. Perfect to kill your boredom and stress. Really good for a free to play pc games.
Read this article for more free pc games.