More enemy balancing

android/res/layout/donations_activity.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              xmlns:tools="http://schemas.android.com/tools"
+              android:layout_width="fill_parent"
+              android:layout_height="fill_parent"
+              android:orientation="vertical">
+
+    <LinearLayout
+            android:id="@+id/donations_activity_container"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+    </LinearLayout>
+
+</LinearLayout>

android/res/values/strings.xml

@@ -2,5 +2,13 @@
 <resources>
 
     <string name="app_name">Mindustry</string>
+    <string-array name="donation_google_catalog_values">
+        <item>1 Dollar</item>
+        <item>2 Dollars</item>
+        <item>3 Dollars</item>
+        <item>5 Dollars</item>
+        <item>10 Dollars</item>
+        <item>15 Dollars</item>
+    </string-array>
 
 </resources>