Software used for smart phones and tablet computers having functions of optimizing the color sense, brightness, and viewing angle of the display, in line with purposes such as web surfing, photography, and reading e-books when using smart phones and tablet computers; mobile phones; audio amplifiers; audio components; audio speakers; blank Universal Serial Bus (USB) flash memory drive; built-in wireless audio and video receivers and electronic docking stations for use with electronic book readers, tablet computers, mp3 players, mp4 players, mobile phones and smart phones; camcorders; computer application software for mobile phones, portable media players and handheld computers, namely, software for use in voice recognition; computer game software; computer monitors; computer network hubs, switches and routers; computer software for controlling home appliances; computer software for instant messaging, sending and receiving emails and contact information, schedule sharing and contents sharing; computer software for managing and organizing various digital reading contents namely digital electronic-books, digital electronic newspapers, thesis, and digital electronic-magazines; computer software for personal information management; computer software for playing or sharing multimedia files; computer software for purchasing, downloading, playing or listening to music; computer software for purchasing, subscribing, downloading, playing or listening to digital reading contents namely digital electronic-books, digital electronics-newspapers, thesis and digital electronic- magazines and electronic games; computer software 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 use in searching for, browsing, and purchasing software on an electronic database; computer software for use in recording, organizing, transmitting, manipulating, and reviewing text, audio files, video files and electronic games in connection with televisions, computers, music players, video players, media players and mobile phones; computer software for use with satellite and Global Positioning System (GPS) navigation systems for navigation, route and trip planning, and electronic mapping; computer software 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 suggesting the most suitable pen-input applications for the mobile device; computer software to access internet and various applications; computer software to be used for viewing and downloading electronic maps; computer software embedded on portable phones and/or portable computers that allows users to play and download electronic games, listen to and download ring tones and music, and view and download screen savers and wallpapers; computer software to edit daily activities, address book, calendar, memos, and multimedia contents stored in mobile devices; computer software to enable authoring, posting, uploading, downloading, transmitting, receiving, editing, extracting, encoding, decoding, playing, storing, organizing, showing, displaying, tagging, blogging and/or sharing electronic media and information over the Internet, local area network or telecommunication network; computer software to enable users to program and distribute audio, video, text and other multimedia content, namely, music, concerts, videos, radio, television, news, sports, games, cultural events, and entertainment-related and educational programs via communication network; computer software to receive, transport, encode, decode, decrypt, encrypt, transmit, multiplex, de-multiplex, and manipulate video and other data in digital format to deliver television and other video programming to appropriate video devices for distribution of television programming for viewing on television sets and computer monitors; computers; digital cameras; digital photo albums for displaying digital pictures, video clips and music; digital photo frames for displaying digital pictures, video clips and music; digital set-top boxes, namely digital media receivers and decoders, cable television converters, Ethernet streaming media converters; downloadable digital images, namely, photographic or video images in the field of architecture, ballet dancers, costumes, musical instruments, set designs, communication equipment, sound waves, political figures, poverty, Germany, mountains, lakes, rock strata, soldiers, historical figures and places, courthouses, lawyers, court scenes, judges, criminals, manuscripts, books, book cover art, orchestras, rock bands, singers, guitar players, guitars, philosophers, printing presses, newspapers, newsrooms, laboratories, science labs, space, planets, galaxies, the moon, plants, space aliens, space ships, science fiction creatures, cars and computers; downloadable ring tones for mobile phones and tablet computers; DVD players; electronic whiteboards; facsimile machines; hard disk drives; Intercom key phone terminals for connection to a telephone network; Internet Protocol Phones; Internet protocol private branch exchange (PBX) switchboards; Key phone operating system software; Key phone switch boards; Local Area Network (LAN) Switches; mobile phone and tablet computer accessories namely batteries, electric battery chargers, data communication cables, headsets, ear phones, car chargers, leather cases adapted for mobile phones and tablet computers, hands free kits and snap on cases adapted for mobile phones and tablet computers, stylus, audio decks, screen protective films and portable speakers; mobile phone operating system software; mobile telephones; MP3 players; network access server hardware; network access server operating software; optical disk drives; optical disk players; Personal Digital Assistants (PDAs); portable computers; portable media player; printers for computers; semiconductors (chips); smart phones; stereo audio speakers; stylus for portable electronic devices; tablet computer operating system software; Tablet Computers; telephones; telephones used as terminal devices for Internet protocol (IP) private branch exchange (PBX); Television receivers; three dimensional (3D) eyeglasses; wide area network(WAN) routers