How to install APK in android emulator !!

We can install apk into emulator with following steps : 

1. Paste the .apk file to platform-tools in the android-sdk Linux/MAC folder.
2. Open Terminal and navigate to platform-tools folder in android-sdk.
3. Then Execute this command –  ./adb install yourdemo.apk
4. If the installation is successful then you will get your app in the launcher of your android emulator.

Cheers,

Kapil