[app]Calendar[+]
 

I just wanted to share an app I wrote to simplify calendar and appointments related task like search, groups, filters etc... Its a free app for now. Please take a look and provide feedback about what else I shall include going forward.
Further details and app are here.
http://windowsphone.com/s?appid=83b8...3-99009185dac3

Feel free to rate the app if you like.