There was a move of the picture saving folder from Ver 4.2. It is now FuLLPre / DCIM / FuLLPre.
Gesture operation method
While the preview screen is active, swing the screen right or left.
The front and back cameras should be changed.
You can drag the screen left or right.
Zooming with an optical system
Press and hold the screen button.
Recording of video
Fling left or right with two fingers.
Display the viewer's most recent photo.
Scroll up and down with two fingers.
Brightness changes in the camera
On the left side of the screen's center, float up and down.
Effects can be changed.
A terminal that supports effects is required
Directly from the center of the screen, fly up and down.
Affects the white balance
Hold the screen for two seconds.
The preview has been paused
Once the preview screen has been closed
Hold the screen for two seconds.
The preview should be restarted
Use the screen navigation to move around.
Movement of the preview screen
The display can be zoomed in or out.
Reduction/enlargement of the preview screen
Camera2 API is supported only by Devices
Press and hold the screen button.
The active preview screen should be preserved.