trackFinger for After Effects allows you to record the movements of the fingers (up to ten) on the screen of the iPad and then send the tracking data as keyframes to Adobe.
trackFinger is an useful companion for Adobe After Effects animators.
This app tracks up to ten fingers while shooting and send you the tracking data as position and opacity keyframes that can immediately be used in Adobe After Effects projects to produce perfect animations, user interface mockups and responsiveness in very little time.