To install an external APK on Android Virtual Deice (AVD) or on Emulator go through the following step-by-step procedure.
Step-1:
Launch the emulator
Step-2:
Paste yourAPK
file whichever you want to install on emulator inandroid-sdk-windows\platform-tools
directory.
Step-3:
open cmd prompt
and move to platform-tools folder of Android SDK directory.
Step-4:
Run the following command:
adb install "xxx.apk"
Example: abd install "Indianlaws.apk"
If Exists: If the emulator is already has that application it will give a failure notification to the user - [ INSTALL_FAILED_ALREADY_EXISTS ]
.