You can sync CalenGoo directly with multiple Google Calendar accounts in addition to your Android calendars. Just add them under "Settings", "Accounts" in CalenGoo. When syncing directly you can also assign icons to events. Please see here: Accounts

Google's event colors allow you to assign different colors to your events. Please see here for details: Event colors

For an overview which rules CalenGoo supports, please see here: Recurring events

You can use drag&drop in the day, week, month and landscape day view. Please see here for details: Drag&Drop

You can create a template from an event to use it later to create new events from it. Templates can also be limited to certain attributes of the event, e.g. so that they only contain a location or a list of attendees. By adding multiple templates to a new event this way, you can use e.g. the location and the attendees from different templates. Here you can find further information: Templates

There are over 100 icons provided (if you download the additional icons) and you can also add your own icons. Please see here for details: Icons

Floating events are events that have a checkbox to mark them as completed. Completed events can be displayed crossed out. But the important thing about floating events is that they cannot move out of sight until they are completed. During the night CalenGoo checks if an uncompleted floating event is now in the past (because a new day has started) it moves that event to the current day so that you won't forget it. Here you can read more about it: Floating events

When syncing with Google Calendar, you can use SMS, email and pop-up reminders. When you are not syncing with Google Calendar you can use only pop-up reminders. However pop-up reminders also offer the most options: You can configure a different, custom sound per calendar, you can configure how often and in which interval the alarm should be repeated, the type of notification (status bar or pop-up) can be changed and many other things. Please see here: Reminders

When adding events you can choose email addresses from your contacts. The attendees will get an email with links to accept or decline the invitation. You can see their response in the event's details in CalenGoo. Please see here for details: Edit and Select attendees

It can also copy the details of your contact into the fields of the event (the name into the title, the address into the location field and the phone numbers and email addresses into the description of the event). Please see "Scheduling an appointment with a contact" here for details: Edit

There are also options to display the birthdays in Google Calendar, please see here for details: Birthdays

The PDF files are created using the full printing resolution. There are several options to customize the way they look like. You can find further information here: Printing

To use CalenGoo's task functions you have to configure them first under "Settings", "Tasks". Afterward a new tab labeled "Tasks" will appear that allows you to view and edit your tasks. Please see here for details: Tasks

To use the vertically scrollable month view just turn "Settings", "Display and Use", "Month view", "Vertically scrollable" on.

Using these widgets you can quickly see your upcoming events. E.g. the agenda widget can be configured to highlight the current event and the next upcoming event with a special color so that you can quickly see where you should be and where you should go next. In the example on the left the current events are yellow and the next upcoming event is red. You can find more information here: Widgets

These attached files will be displayed in the detail view and the edit view of the event. And when sending the event by email from the detail view you can include the attachments in the email. Please see here for further details: Attachments

When a reminder notification is displayed in the status bar of your phone, it will also be displayed on your Android Wear. On the Android Wear you have the same snooze options that you have configured for your reminders on your phones so you can view and snooze the reminders directly with your watch.

Additionally two Android Wear commands are installed that can be started with "Start new event" and "Start new task". Using these commands you can create a new event or a new task by voice. E.g. you can say "Meeting with John tomorrow at 5pm" to create a new event "Meeting with John" for the next day at 5pm.

It can display Evernote notes with reminders on their reminder's date and time and you can attach individual Evernote notes to events. Please see here for details: Evernote