image replace & splash screen

Billing/Billing.Android/Resources/drawable/icon_foreground.xml

@@ -0,0 +1,19 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+  <group android:scaleX="0.09023438"
+      android:scaleY="0.09023438"
+      android:translateX="30.9"
+      android:translateY="30.9">
+    <path
+        android:pathData="M0.37,483.85l16.12,-67.359l79,79l-67.32,16.16c-1.36,0.236 -2.715,0.36 -4.143,0.36s-2.827,-0.124 -4.188,-0.36c-11.252,-1.983 -19.834,-11.797 -19.834,-23.614c0,-1.428 0.125,-2.827 0.364,-4.187zM412.3,210.78c2.163,2.171 3.501,5.168 3.501,8.472c0,3.318 -1.35,6.325 -3.531,8.498l-252.27,252.25l0,-64l-64,-0l0,-64l-64,-0l252.2,-252.22c2.193,-2.18 5.218,-3.527 8.552,-3.527c3.333,-0 6.354,1.348 8.548,3.527zM297.89,185.85c2.534,-2.534 4.1,-6.038 4.1,-9.901c0,-7.728 -6.274,-14.001 -14.001,-14.001c-3.864,-0 -7.364,1.568 -9.898,4.103l-154,154c-2.534,2.534 -4.099,6.038 -4.099,9.902c0,7.727 6.273,14.001 14.001,14.001c3.863,-0 7.363,-1.568 9.897,-4.104z"
+        android:fillColor="#ffffff"/>
+    <path
+        android:pathData="M96,352l0,64l64,-0l0,64l-64,16l-80,-80l16,-64l64,-0zM498,74.26c8.625,8.669 13.959,20.629 13.959,33.812c0,13.249 -5.388,25.249 -14.089,33.929l-46.101,46.1c-2.173,2.182 -5.182,3.531 -8.501,3.531s-6.325,-1.35 -8.499,-3.531l-111,-111c-2.181,-2.173 -3.531,-5.183 -3.531,-8.501c0,-3.319 1.351,-6.325 3.531,-8.499l46.101,-46.1c8.7,-8.673 20.714,-14.037 33.957,-14.037s25.242,5.364 33.942,14.037l60.12,60.15z"
+        android:strokeAlpha="0.4"
+        android:fillColor="#ffffff"
+        android:fillAlpha="0.4"/>
+  </group>
+</vector>

Billing/Billing.Android/Resources/drawable/splash_screen.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+	<item>
+		<color android:color="@color/splash_background"/>
+	</item>
+	<item>
+		<bitmap
+			android:src="@drawable/splash_logo"
+			android:tileMode="disabled"
+			android:gravity="center"/>
+	</item>
+</layer-list>

Billing/Billing.Android/Resources/mipmap-anydpi-v26/icon.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/launcher_background" />
-    <foreground android:drawable="@mipmap/launcher_foreground" />
+    <background android:drawable="@color/icon_background"/>
+    <foreground android:drawable="@drawable/icon_foreground"/>
 </adaptive-icon>

Billing/Billing.Android/Resources/mipmap-anydpi-v26/icon_round.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/launcher_background" />
-    <foreground android:drawable="@mipmap/launcher_foreground" />
+    <background android:drawable="@color/icon_background"/>
+    <foreground android:drawable="@drawable/icon_foreground"/>
 </adaptive-icon>