Lupa

Use your Android device as a magnifying glass.
The screen stays on while you're using the application.
You can change the zoom image from buttons with a simple touch.
It allows you to use the LED light for better image definition if necessary.
Touching the snow cone, the picture freezes on the screen to look more closely.
No extra configuration is needed.
It is very easy to use.
The image quality of the application is subject to the quality of the camera device.