In Pictures: 25 essential business apps for Android

As Android devices continue to invade the enterprise, workers are beginning to rely on them as much as, if not more than, than laptops and desktops. In addition to basic email, plenty of other business-related tasks are moving to smartphones, including expense tracking, social media updates and even on-the-go invoicing.

It can be tough finding the right app for the right task, but here are 25 essential business apps for Android (note: the last five require an enterprise component).