RetroClip lets you save instant replay videos from your Mac's screen as easily as taking a screenshot.
Just open RetroClip and keep using your Mac as usual. When something exciting happens in a game, or that pesky bug that you can never reproduce happens, press Cmd-Shift-2 to save a video of it to your Movies folder.
A smart bot that test-drive your app over a wide range of real devices, looking for crashes and potential risks. As a results it gives an outstanding report containing test-video and performance indicators on the client side (mobile app).