In some of my applications. We do not collect any personal information but we do gather anonymous usage statistics through Google Analytics in connection with Google Play..
Needed Location Information
In some of my applications, I need a GPS to turned on so that one of the feature work properly. But I not collect your location information with detail to my server. I just collect your general location to Google Analytics, like your city or country. For I know about the location of the users who installed my applications.
Needed Access Storage
In some of my applications, I need to access storage in your device so that one of the feature work properly. This is used for applications that there a downloader, I need it in order to you can downloading files of application needs from my server to your storage. So that the feature can accessed with offline. You must know, nothing of my applications that steal data from storage in user device to my server.