LibreTube/app/src/main/res/xml/settings.xml

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <PreferenceCategory app:title="@string/location">

        <ListPreference
            android:icon="@drawable/ic_region"
            app:defaultValue="US"
            app:entries="@array/regions"
            app:entryValues="@array/regionsValue"
            app:key="region"
            app:title="@string/region"
            app:useSimpleSummaryProvider="true" />

        <ListPreference
            android:icon="@drawable/ic_translate"
            app:defaultValue="sys"
            app:entries="@array/languages"
            app:entryValues="@array/languagesValue"
            app:key="language"
            app:title="@string/changeLanguage"
            app:useSimpleSummaryProvider="true" />

    </PreferenceCategory>

    <PreferenceCategory app:title="@string/customization">

        <Preference
            android:icon="@drawable/ic_server"
            app:key="instance"
            app:summary="@string/instance_summary"
            app:title="@string/instance" />

        <Preference
            android:icon="@drawable/ic_color"
            app:key="appearance"
            app:summary="@string/appearance_summary"
            app:title="@string/appearance" />

        <Preference
            android:icon="@drawable/ic_block"
            app:key="sponsorblock"
            app:summary="@string/sponsorblock_summary"
            app:title="@string/sponsorblock" />

        <Preference
            android:icon="@drawable/ic_list"
            app:key="advanced"
            app:summary="@string/advanced_summary"
            app:title="@string/advanced" />

    </PreferenceCategory>

    <PreferenceCategory>

        <Preference
            android:icon="@drawable/ic_info"
            app:key="about"
            app:title="@string/about" />

    </PreferenceCategory>

</PreferenceScreen>