I'm no longer maintaining this module, please check out this module: https://github.com/inthekloud/ITK.Instabug The Instabug Appcelerator module gives you instant bug reporting for mobile iOS apps by allowing your users to draw on the screen and attach text feedback.
After shaking the device and sending the bug report the screenshot with instabug form is not closed. Only option is to kill the app.
This might be solved with a newer version of the Instabug SDK. Will look into this hopefully this week. Already saw that the new SDK has many changes.