Evaluating information from the app hugely enhances marketing strategies. Use the Google Firebase product which is integrated to the app. Read more on this here.
The most important appshop data can be tracked on the admin interface, this way you can evaluate traffic from the past few days, what was the average value of purchases, and how many new users started using the app. You can follow the value of push campaigns, banners within the mobileshop and newsletters with the accustomed CTR measuring scale.