ScreenInfo — Open Source Dev Tools App

Shows the screen configuration for an Android device, including the screen size (small, normal, large, xlarge) and the density classification (ldpi, mpdi, hdpi, xhdpi). Also shows other screen metrics, as well as the calculated screen size in physical units. Users can email the report or share it to other apps. This information is useful for developers producing layouts for their applications, or to assist them in customer support scenarios.