Electronic handheld units for the wireless receipt and/ or transmission of data that enable the user to keep track of or manage personal information and which may also have the capacity to transmit and receive voice, image and video communication; software for the synchronization of data between a remote station or unit and a fixed or remote station or unit and software which enables and provides one-way and two-way wireless connectivity to data; portable digital electronic devices and software related thereto; handheld electronic devices for the wireless receipt and/or transmission of data; software for the redirection of messages, e-mail, and/or other data from a personal computer or a server to one or more handheld electronic devices; telecommunications devices; handheld electronic devices for data, voice, image and video communication; computer game software for mobile handsets; electronic game software for mobile handsets; smart phone; electronic handheld units including personal digital assistance, GPS, cell phone