I found a solution for the analogs, finally! :D
You just need to put this 2 lines inside the
/opt/retropie/configs/[yoursystem]/retroarch.cfg
input_libretro_device_p1 = "5"
input_player1_analog_dpad_mode = "1"
I still can’t use the analogs in the emulationstation menus, but I’m pretty happy now :D
