Change Density of Android Emulator in Mac OS
Open the following file: /Users/yourUserName/.android/avd/< CustomDevice_API_19 >.avd/config.ini CustomDevice_API_19 is the name of your emulator. Change the hw.lcd.density =160 or any other values required. The possible values for lcd density are: 120, 160, 213, 240, 280, 320, 360, 400, 420, 480, 560, 640