mono-android-4.4.55http://download.xamarin.com/MonoforAndroid/Windows/mono-android-4.4.55.104956787.msiAndroidSDK20http://dl.google.com/android/installer_r20-windows.exeJavaJDK1.7.0.0http://download.xamarin.com/Installer/MonoForAndroid/jdk-6u31-windows-i586.exe