Can not read game archive

My device can not play the game and I can not read the file. Each time I read a game archive, the game automatically shows that my game is saving, and then returns to the archive selection screen. My device is XIAO MI5s Android 6.1 system MIUI9 processor Snapdragon 821 runtime memory 4G Store 128G. Every time you enter the game are particularly slow, do not want to enter the main menu of the game more than 5 minutes.Your device options, there is no my device. My device is Xiaomi 5s.