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Tap the camera button to open camera
Tap the "Camera Mode" icon
There is no "Background Defocus" apps by default
Tap the "Apps" icon, "Tools" folder, and tap "NeoReader"
Point to the qrcode to read the URL and tap "Open in browser"
Tap "bgdefocus-nor...igned.apk"
Tap "Download"
Tap "OK"
Swipe down from notification bar and tap the downloaded file
Install is bloacked by default, tap "Settings"
Scroll down and tap "Unknown sources"
Tap "OK" and you may go to security in settings to turn it off after installed the apk
Tap the "Apps" icon, "Tools" folder, and tap "Downloads"
Tap the downloaded apk
Tap "Install" and tap "Done"
Open the camera and tap the "Camera Mode" icon
Tap "Background defocus"
Tap the object to be the subject
Tap the "Camrea" icon to shot
Tap the buttons at the bottom to change the blur direction
Drag the handle to change the blur level
Tap the "Tick" icon to save