You can capture the entire screen or part of it by using the floating button. You can add annotations such as crop, text, blur, arrows, lines, circles, etc. 

The screenshot is saved in the image format you specify, and you can save it to the SD card. You can view your screenshots in the gallery or on your device. 

This app is an indispensable tool for people who need to keep a record of their work, and for people who need to create a visual presentation of their ideas. You can use it to create a presentation for your boss, teacher, or friends.