Help,"Control Mapping"

[buffoon_1985]

"Control Mapping" disappeared,after I "clear all" the key map and reseted the app.
Now,gamepad isn't working except direction key.
My device:
Huawei MediaQ M321
OS : Android OS, v4.4
Chipset : Hi3798M V100
CPU : ARM Cortex A7
GPU : mali450
RAM : 1 GB