RetroArch/android/phoenix/res/xml/prefs.xml

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" 
    android:title="RetroArch Config" >
    
    <PreferenceScreen android:title="System Config" >
        <CheckBoxPreference
            android:defaultValue="false"
            android:key="savestate_auto_save"
            android:summary="Automatically saves and restores game state"
            android:title="Auto save state" />
    </PreferenceScreen>
    
    <PreferenceScreen android:title="Video Config" >
        <CheckBoxPreference
            android:defaultValue="true"
            android:key="video_smooth"
            android:summary="Applies bilinear filter, smooths out edges"
            android:title="Bilinear filter" />
        <CheckBoxPreference
            android:defaultValue="true"
            android:key="video_force_aspect"
            android:summary="Let game decide aspect ratio"
            android:title="Force aspect correction" />
        
    </PreferenceScreen>
    
    <PreferenceScreen android:title="Audio Config" >
        <CheckBoxPreference
            android:defaultValue="true"
            android:key="audio_enable"
            android:summary="Enable audio"
            android:title="Audio enable" />
        <CheckBoxPreference
            android:defaultValue="true"
            android:key="audio_rate_control"
            android:summary="Enable dynamic rate control"
            android:title="Dynamic Rate Control" />

    </PreferenceScreen>
</PreferenceScreen>