MOBILE SCREEN SIZES
Android screen size is different for different phone models.
There are some screen resolutions already defined in Android.
They are:
§ QVGA (240×320, low density, small screen)
§ WQVGA (240×400, low density, normal screen)
§ FWQVGA (240×432, low density, normal screen)
§ HVGA (320×480, medium density, normal screen)
§ WVGA800 (480×800, high density, normal screen)
§ WVGA854 (480×854 high density, normal screen)