Big Camera Button is the best photo editor app available in the Google Play store. It lets you edit and customize your photos and capture new ones with a simple click.

Big Camera Button Lite is the lite version of Big Camera Button, which doesn't require as many permissions as the full version. 

You can use the camera button to capture memories or make photos of your friends and family. You can use the photo editor to add filters and effects, adjust the color and lighting, and change the resolution and format of the image. You can also add text or draw different shapes and lines.