The IRS has gone mobile… You can now download an application to find out your tax return or refund status, get tax tips via email directly on your phone, and follow the IRS on twitter.
Download the IRS2Go App
If you have an Apple iPhone or iTouch, you can download the free IRS2Go app by visiting the iTunes app store. If you have an Android device, you can visit the Android Marketplace to download the free IRS2Go app.
Source: IRS.gov