Turbotax

If you don't have children or dependents, make less than 100K a year, don't own real estate and have income rolling in only from W-2 forms, interest or unemployment, TurboTax SnapTax is the absolute easiest way to file your taxes electronically--as long as you've got an iPhone or Android smartphone.The app essentially holds your hand through the process of submitting a 1040EZ form, even showing you how to rip your W-2 to get just the portion of the page that you need.

Then, simply line up the frame and use your smartphone's camera to snap a photo..

Source: http://blog.laptopmag.com/top-6-free-tax-apps-for-your-phone-tablet