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>

android-app/res/xml/preferences_other.xml

@@ -23,6 +23,10 @@
 			a:summary="@string/c_clear_billing_info_summary"
 			a:title="@string/c_clear_billing_info_title" />
 
+		<Preference
+				a:key="restart_wizard"
+				a:title="@string/cpp_restart_wizard" />
+
 	</PreferenceScreen>
 
 </PreferenceScreen>