In many cases, we need recording for a longer duration. But "camera" App on iPhone/iPad cannot record for a longer time due to high revolution of video.
The user space is always exhausted rapidly by recording.

This App:
1) Let record duration can increase multiply by making a balance between video quality and time.
2) Provide buttons that user can select different recording parameters: "very longer", "longer", "fine but shorter".
3) Can dynamically compute and display the time left for continuing recording.
4) Can be used in: meeting, conversation, teaching, etc., all cases that need long-time recording.