Android emulator Mac OSX location
I assume you are talking about the AVD that you are creating for your simulator. By default, the AVD Manager creates the AVD directory inside ~/.android/avd/
You can check this link to get more info
http://developer.android.com/tools/devices/managing-avds-cmdline.html#DefaultLocation
If you want to see the files stored on the emulator, you can use the Device File Explorer that comes with the Android Studio.
Your app should be in /data/data/<you-app-id>
- Open the AVD manager
- Right-click one of the devices
- Select "Show on Disk"