The popular mobile payment system, Square, by Square Inc, has been updated to version 2.1. Added features include quicker payment processing, pushing payments through in as little as four seconds. How in the world did they do that, you say? Well, the update now allows you to skip having to add your John Hancock with transactions under $25.00 In addition, tipping just got a whole lot easier too. The interface has been better optimized, allowing you to add gratuity with just one tap. Now that’s convenience. Furthermore, anyone who signs up for the service and downloads the app will freely receive a card reader for their device in the mail at no extra charge. If you’re ready to be more productive, whether you own your own small business, or you’re just paying for a yard sale item, you can head on over to our popular apps database for the download where you’ll also find a QR code available. And if you’re not in need of a QR code, you can snatch the download from the Android Market. Feel free to let us know what you think of the app in the comments below.