Check your state once now.
You can control the "zoom and bright" of second stage by applying Camera function of Hardware manner and Phone(android) function of Software manner.
Now look at yourself more brightly and larger.
Switching from front/back camera
Changing UI color
Fill to the size of the device width.
Fill to the size of the device height.
Zoom control - by Camera and Phone
Bright control - by Camera and Phone
Some functions cannot be supported according to the feature of device.