If you upgraded from a Kindle to a NookColor this Christmas, you don’t have to lose your Kindle library. Hackers have figured out a way to run Kindle’s Android based eReader app on the Nook Color.

CrunchGear reports: “To root the device you need one of the Autorooter images and Win32ImageWriter for Windows or Mac OS/Linux tools to write the image to an MicroSD card. Then you upload the Kindle app from the Android store and rock out. This process also adds GMail, YouTube, and a number of other standard Android goodies to your previously stripped-down NookColor.”

According to BlogKindle.com, you only need five minutes, a NookColor with USB cable, a microSD card larger than 128MB and an SD card reader.

Barnes & Noble is going all out to promote its new color eReader. Today, the retailer launched an ad campaign promoting the new NOOKcolor and you’ll probably start seeing it around if you watch Glee, Dancing with the Stars or Saturday Night Live.

The ad is centered around the above video of a 30-second TV spot called “Love of Reading.” In the ad, the voiceover says, “At Barnes & Noble, we’ve taken everything we know about reading and put it here.” The ad features a number of different types of people reading on the new device. At the end of the ad, B&N lists logos for retailers that carry the device including Best Buy, Walmart and Books-A-Million.

Barnes & Noble worked with Omnicom agency Merkley + Partner on the campaign.