VuU is an app that enables the user to preview a corrected live feed from the devices front-facing camera BEFORE saving the image to their camera roll.
Unlike your usual front-facing cameras image, that shows you a preview of your intended photo in reverse, VuU shows you how the end result of your selfie will be.
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There are now a total of individual 450 filters (and special effects) for you to play with.
The drop-down list of filters is color-coded (and has icons), to ease your choice. So, it is simple to differentiate between the many color-grades and types of FX available.