It sounds like you don't understand what the term "system libraries" means. It's impossible to tell what apps people are using by uploading system libraries. Yo

It sounds like you don't understand what the term "system libraries" means. It's impossible to tell what apps people are using by uploading system libraries. You could probably tell what type of phone they are using by doing it, but that would be dumb since Android already tells you what kind of phone it is.