Gamecube controller layout configuration

[koreko]

cant seem to change the layout of the bottons of the game cube controller in the latest build,it says that the controller configuration coming soon and that old configs works, but i can't find the control layout config in the old apks, although i can change in the older builds i want to use the newer ones, can anyone help me, i have a samsung s6 /5.1.1 / dolphin 4.0-8992 apk.