Mark this in the ridiculously cool, we're almost in the future column. Square is aiming to be the new way to take credit card payments and it works on your Android phone today. Simply download the Square app, plug in the dongle into your 3.5mm headphone jack on your Android phone, swipe the credit card through, and you get paid. Square is aiming big and looking to take down entrenched merchant accounts, their system comes contract-free without monthly fees. Users will only pay a very competitive transaction rate. We imagine many tech savvy store owners will make the switch. Check out the video after the jump! [square]