Can't launch the game in my Android 5.1.1 smartphone the model is Oppo A37

Every time i try to launch the game it keep on showing me a black screen for 2 seconds then it will crash...I'm exited about the new 1.0.5.0 update, but how will i enjoy it if i cant even open the game... Im using OPPO A37 and its running Android 5.1.1...Please fix it