Recs.
Updated
Specs
Pros
Pro Straightforward event creation with autocomplete
All views have an option of adding a new event by tapping the plus sign at the lower right corner of the screen. This opens up a form with the allowing you to add location, start/end times, guests, description, color-code as well as choosing if it's an all day event, how often it repeats, how many and what kind of reminders are needed and setting your availability and privacy settings.
Pro Has day, 5-day and an excellent schedule view
While day and 5-day views are pretty straightforward and don't differentiate in any meaningful way from what's available in any other calendar app, the schedule view is what makes the Google's Calendar app stand out.
Schedule view displays a well designed agenda view with easy access to a month view. The schedule view allows browsing all events by swiping vertically and can open up a month view to half a screen by tapping on the month that can be navigated by swiping horizontally.
Pro Allows subscribing to public calendars through web client
Through the Google Calendar's web client, it is possible to subscribe to any public calendar. Google also maintains a list of public calendars for various sports events and holidays in different countries and for different religions.