Auto Brightness Switch does not intentionally collect any personally identifiable data about its users.
No user data is collected by the app. No data is shared with third parties. No data about users is stored by the app developers.
No advertising is used and no data is provided for advertising purposes.
Certain device information about app crashes or other errors may be collected by Google Play on behalf of the app, but these are functions of Google Play or Android and not functions of the app itself.