RetroMusicPlayer/app/src/main/res/layout-xlarge/activity_about_content.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.GridLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:grid="http://schemas.android.com/apk/res-auto"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:padding="8dp"
  grid:alignmentMode="alignBounds">

  <LinearLayout
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_marginEnd="4dp"
    android:orientation="vertical"
    grid:layout_column="0"
    grid:layout_columnWeight="1"
    grid:layout_row="0">

    <include layout="@layout/card_retro_info"/>

    <include layout="@layout/card_credit"/>
  </LinearLayout>

  <LinearLayout
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_marginStart="4dp"
    android:orientation="vertical"
    grid:layout_column="1"
    grid:layout_columnWeight="1"
    grid:layout_row="0">

    <include layout="@layout/card_social"/>

    <include layout="@layout/card_other"/>

  </LinearLayout>
</android.support.v7.widget.GridLayout>