Lookback Anywhere cydia tweak is a tool for user experience collection that is added to all the apps on your phone.
Lookback records the screen, the front-facing camera, microphone, metadata, touches and active views, and uploads it all in near-realtime to lookback.io where you can study and dive into the data.
Shake your device or short-press the lock screen button to start recording. You can configure this action from Activator.
Some use cases are: