Video Tuner works best on phones running the Lumia Cyan software update. To get the latest software update for your phone, go to Settings > Phone Update.
Edit your video before sharing it! Apply filters, add music, trim, crop, rotate, flip, mirror, change speed, adjust exposure/contrast/saturation/volume - make your videos better.
Find out more about the Lumia Cyan update online at nokia.com/lumia-update