Update 2016: Looks like the app no longer exists on the Google Play Store.
Android: Check out Platform Helper, a bar path analysis app for your phone.
Platform Helper generates slow motion videos of your lifts with Kinovea like bar path analysis.
Download: Google Play
Yair Ehrenwald, the developer answers your quesions here or in the comments below.
Here is a video of it in action.
For iOS video analysis apps, check out the Iron Path Bar Path Tracking App.
Update: also check out Bar Sense – Another Bar Path Tracking app for Android.