Sony Mobile has released the Xperia Calendar application into the Google Play Store. This includes key features such as LinkedIn integration and the inclusion of simple maps to help find your way to meetings easily. A beta version of the app is also available from here if you are keen to be a tester.
Update: Looks like Sony has pulled the app from the Play Store and beta test. However, the APK is available to download below.
DOWNLOAD APK: Xperia Calendar 20.1.A.1.2