I not only agree that banning questions on Web Appsweb applications or Web Servicesweb services is short sighted-sighted, but the description for smartphones is lacking as well. My androidMy Android phones are mini-computers that have an OS, a Keyboardkeyboard, a Screenscreen, memory and storage. QuestionsQuestions about software running on those should be valid whether they are connecting to a PC or not.
These two branches of exclusion really are blocking of a large field of view of related technical questions that could be filled by superuserSuper User.