OneDrive and Skype.
Right now you can get your hands on this phone through Cricket Wireless for $49.99 (with a plan) but T-Mobile offers it for just $69 without contract through Microsoft Store.
Key features of the Lumia 530:
Windows Phone 8.1: Features include Cortana, your personal digital assistant, a “shape writing” Word Flow keyboard and Action Center, which compiles your notifications in one place.
Power: Embedded within the Lumia 530 is a 1.2GHz quad-core Qualcomm Snapdragon processor. That means lightning-fast speed, whether you’re browsing the Internet, playing games, or editing documents on the phone’s 4-inch LCD display.
Pre-loaded apps & services: You’ll have out-of-the-box access to the ever-growing Windows Phone apps portfolio and several of the most popular services such as Microsoft Office, OneDrive and Skype.
Photo Fun: The Lumia 530 comes with a rear-facing 5-megapixel camera and you can edit your images with Windows Phone-exclusive apps such as Creative Studio and Lumia Selfie.
Extra Storage: Need more room on your Lumia 530? No problem. The smartphone’s microSD card slot means you can increase storage capacity by up to 128 GB.