CameraFi is a free video recording app developed for Android users.

CameraFi is designed to support both the displaying and the recording of video. You can also take pictures with it. You access the app by using a USB camera that has been attached to your Android smartphone or tablet.

CameraFi has the following specifications and features:

-You don't need a root device.

-Several video sizes are supported including HD and Full HD. The supported video size varies depending on what screen resolution your USB camera supports.

-You can record both video and audio.

-UVC and UAC are both supported.

-You can capture still photos.

-The USB camera's connection status is clearly displayed.

-You can switch between different cameras when multiple different USB cameras are connected to the same device.

-You can view captured images and recorded videos.

-You can set video file and image prefix.

-You can use the volume key to set recording and capture settings.

-The app updates frequently with bug fixes and new features.

-You can add the ruler plug-in to extend the app's capabilities.

This is a good app to use when you want to connect your USB camera to your Android smartphone or tablet.