on screen calculator wizard step

android-app/res/layout/cpp_wizard_step_onscreen.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
+	a:layout_width="match_parent"
+	a:layout_height="match_parent"
+	a:orientation="vertical">
+
+	<TextView
+			a:text="Calculator in separate window allows you to do calculations while using other apps on your device"
+			a:layout_height="wrap_content"
+			a:layout_width="match_parent" />
+
+	<CheckBox
+		a:id="@+id/wizard_onscreen_app_enabled_checkbox"
+		a:layout_height="wrap_content"
+		a:layout_width="match_parent"
+		a:text="Enable calculator in separate window (second icon will appear in the apps list)"/>
+
+</LinearLayout>