Screenshot is the best app to take a screenshot of your Android phone's screen with the best possible quality.
Screenshot manages to capture the screen of simple to Android mobile phone.

Android supports standard Screenshots
* Support for one of the two screenshots below depending on the model.
1. Push 'Power' and 'Volume-Down' buttons at the same time for 2 seconds
== or ==
2. Push 'Power' and 'Home' buttons at the same time for 2 seconds ( Samsung phone )

Screenshot app for Android device(Phone/Tablet).
Screenshots are saved to the SD card.

Screenshot will capture the screen with Android 4.0 or higher.
Also you may have may not work with some models.