Telephones; smart phones; mobile phones; computer software for mobile phones, smart phones, portable media players and handheld computers for instant messaging, sending and receiving emails and contact information, schedule sharing and contents sharing service; computer software for mobile phones, smart phones, portable media players and handheld computers for managing and organizing various digital reading contents, namely, e-books, e-newspapers, thesis and e-magazines; computer software for mobile phones, smart phones, portable media players and handheld computers for personal information management; computer software for mobile phones, smart phones, portable media players and handheld computers for purchasing, downloading, playing or listening to music; computer software for mobile phones, smart phones, portable media players and handheld computers for purchasing, subscribing, downloading, playing or listening to digital reading contents, namely, e-books, e-newspapers, thesis and e-magazines; computer software for mobile phones, smart phones, portable media players and handheld computers for use in recording, organizing, transmitting, manipulating, and reviewing text, data, audio files, video files in connection with TV, computers, music players, video players, media players, mobile phones, and portable and handheld digital electronic devices; computer software for mobile phones, smart phones, portable media players and handheld computers for use with satellite and GPS navigation systems for navigation, route and trip planning, and electronic mapping; computer software for mobile phones, smart phones, portable media players and handheld computers for travel information systems for the provision or rendering of travel advice and for information concerning hotels, landmarks, museums, public transportation, restaurants and other information regarding travel and transport; computer software for mobile phones, smart phones, portable media players and handheld computers to be used for viewing and downloading electronic maps; computer software embedded on portable phones, smart phones, or handheld computers that allows users to listen to and download ring tones and music and view and download screen savers and wallpapers; computer software for mobile phones, smart phones, portable media players and handheld computers to enable authoring, posting, uploading, downloading, transmitting, receiving, editing, extracting, encoding, decoding, playing, storing, organizing, showing, displaying, tagging, blogging, sharing or otherwise providing electronic media or information over the Internet or other communications network; computer software for mobile phones, smart phones, portable media players and handheld computers to enable users to program and distribute audio, video, text and other multimedia content, namely, music, concerts, videos, radio, television, news, sports, cultural events, and entertainment-related and educational programs via communication network; computer software for mobile phones, smart phones, portable media players and handheld computers to edit daily phone activities, address book, calendar, memos, and multimedia contents stored in mobile devices by using a personal computer or Internet; mobile phones, smart phones and tablet computer operating system software