This is a full screen recorder tool for Quality Assurance (QA) purposes (without sound).
Avoid thousands questions hoping to get useful informations by your users, with this tool you'll see where and what causes the issue.
The recording process produces one JPEG file for each frame, for whom the user can choose the output quality and the capture frame rate.
Mostly important: there are many others screen capture tools on the net, but this is the only inexpensive one which allows to keep...