You will need to make sure you have setup a way to load the Retroarch main menu from within games. Go to 'Settings', 'Input', 'Hotkeys' and set the 'Menu Toggle Gamepad Combo' to something like 'Select + Start'.
You will need to make sure you have setup a way to load the Retroarch main menu from within games. Go to 'Settings', 'Input', 'Hotkeys' and set the 'Menu Toggle Gamepad Combo' to something like 'Select + Start'.