If you want to make a photo look old but lack the photoshop skills to do so, you can easily do that with Old Photo for Windows Phone application. Priced at just $0.99, the app comes with more than 50 original and exclusive effects for your photos.
The Old Photo for Windows Phone is super easy to use. Just select a photo from your gallery and select one from 50 different filters.You can also take a picture with your camera in the app itself and then apply the old filter you like. You can download the app from here. Trial version lets you apply the filter but to save the file you must buy it.