$ sudo apt-get update
$ sudo apt-get install google-android-platform-7-inst

google-android-platform-7-inst is installed in your system.

Make ensure the google-android-platform-7-inst package were installed using the commands given below,

$ sudo dpkg-query -l | grep google-android-platform-7-inst*

You will get with google-android-platform-7-inst package name, version, architecture and description in a table

google-android-platform-7-inst package basic information: