Buggy and frustrated

Game is good at first but then soon become buggy. I have replayed 3 times because the app crashed and couldnt load data.

The game relies on the gem you collected to dig creature but they give you no good 3 star creatures most of the time. And it happened to me twice that when I dig, the game froze, I lost all my gems but get no creature back.

Pham gia anh thu about Card King: Dragon Wars, v1.3.1