game_android/KeepDancing/unity-android-resources/res/layout/splash_screen.xml

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="279dp"
        android:layout_height="276dp"
        android:layout_gravity="center"
        android:src="@android:drawable/btn_dialog" />

</FrameLayout>