If there's one free calendar app you should use on your Android phone or tablet in 2014, it's Cal.The app automatically syncs with all the other calendars on your device and lets you create, edit and set notification reminders for events. You can create detailed events quickly and easily. Cal works with Google Maps to direct you to your location. It also syncs your friends' birthdays from Facebook, so you never have to worry about missing a birthday again.
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