This article is only applicable to https://CPIDroid.com
User will keep the app on their device as per their wish or 3+ days if you go for High Retention campaign. To clear more here, If you are choosing CPI campaign then user will install + open. We will be tracking only Install + open, after that it depends on user if they want to get engaged further with your app or not and users will engage more if app is built with great quality, uniqueness and have high affinity to attract them. In case of CPI, if user did any in app action, then the same is not tracked because the campaign is CPI, we track only Install + Open here.
Recommended Article: Getting started with the High Retention campaigns