Android's most popular Screen Resolution :

• 240×320: This screen resolution is most commonly used on really small screens, and/or on budget phones.
• 320×480: This screen resolution is also used on really small screens (sub 4-inch), and/or on budget phones.
• 480×800 (WVGA) : A few years ago this was the premier screen resolution and as such was found on many high-end phones like the Samsung Galaxy S2, but now it’s usually reserved for mid-range smartphones with displays that are smaller than 5-inches.
• 960×540 (qHD): This was also a high-end screen resolution a few years ago, but is now reserved for mid-range smartphones.
• 1280×720 (HD/720P): To be classified as a high-end smartphone last year you would need a HD display. Some mid-range and high-end smartphones and tablets will be found with this screen resolution.
• 1920×1080 (Full HD/1080P): Usually reserved for TV’s, Full HD smartphones have come up in a big way this year. A Full HD display is currently exclusively available on high-end smartphones and tablets.
• 2560×1600 (WQXGA): This is an insanely high resolution which is currently found on the Nexus 10, and is exclusively available on high-end tablets.