The final product of mobile app development companies is planned to take advantage of all functionality and hardware that mobile devices have. Mobile Device architecture only involves the development or installation of a mobile app on different mobile platforms or systems such as Android, Windows, iOS, etc.The final product of mobile app development companies is planned to take advantage of all functionality and hardware that mobile devices have. Mobile Device architecture only involves the development or installation of a mobile app on different mobile platforms or systems such as Android, Windows, iOS, etc.