Kitron software has already shown us a few apps for Windows Phone 7 and this time they’ve shown a demo of colorize which lets you turn a picture to black and white and then add the color back into the photo in areas you choose to make it pop. It’s a neat effect and it looks like they’ve made it pretty easy to use. The app lets you zoom in and out, pan, rotate, undo any number of brushes, save multiple projects, change brush size, switch to black and white brush for easy correction.
As a side note, this is not the Coulorizer app that MS debuted on stage back in February when they first announced WP7 so it looks like photo editing is getting a healthy amount of third party love already.
Here’s the video: