Easily Do - The free iPhone app EasilyDo works as a personal assistant and automation machine. You can connect the app to a variety of online services, like your email, calendar, Facebook account, and more. Then EasilyDo looks for things it can help you get easliy done. For example, a notifications might ask you if you'd like EasilyDo to add the contact details of someone who has recently emailed you, to your address book. It lets you take care of a variety of tasks quickly and efficiently.
Calengoo - Calengoo is an app that lets you stay in sync with your google calendar right on your iPhone or Android. Very similar visually to your google calendar on your desktop. Gives you 5 different view options. You can import all of your google calendars as well as other users calendars that you have permissions to view. Very easy to move events around, search for events by name, and create reoccurring events.