The Mobile App Analytics Acquisition reports give you data about:
- How your users spend time outside of your app
- How often your mobile apps are installed and opened
- Which type of targeting has the lowest cost-per-acquisition
- How much data your app has acquired
Explanation: Acquisition reports let you compare traffic from different sources, from your AdWords campaign to non-AdWords sources. You can use this information to invest your budget in sources that send you high-quality traffic.
The Acquisition reports give you data about how users find your app, including the total number of new users and the most popular devices and operating systems. Use these reports to find out how often your app is downloaded and installed, and how successful certain marketing campaigns are in attracting users.
Read more here:
https://support.google.com/partners/answer/6209187?hl=en
https://support.google.com/partners/answer/6209170?hl=en