The question above has multiple choices as follows.
<span>a.
</span>You can actually track any custom event you want
to define.
<span>b.
</span> All app
installs and all in-app purchases
<span>c.
</span>Android app downloads and Android in-app
purchases
<span>d.
</span>App installs and core user demographics
The correct answer is (C) Android app downloads and Android
in-app purchases
You can automatically track android in-app purchases from
Google play when someone who clicked your ad makes a purchase. There is no need
of adding code to your app. The same concept works on Android app downloads.