Smartphone accessory for visually impaired or elderly users

摘要

An accessory system for a smartphone or table or other wireless device, the system comprising: a) a case that slides or clips or otherwise attaches to the device, the case enabling one or more features or functions of the device to be enhanced, altered, replaced or varied to include features or functions of specific utility for visually impaired or elderly users; and b) software that when installed on the device automatically enhances, alters, replaces or varies pre-installed software on the device to include features or functions of specific utility for visually impaired or elderly users. The case may include a replaceable extension unit, enabling many different sorts of extension unit accessories to be swapped in and out. The system includes a software application executable on the portable electronic device, which enables the device to switch to another and simpler user interface which also enables control of the features or functions provided by the specific extension unit that has been fitted. Thus, it provides a portable electronic device system provides features to assist a visually impaired or elderly end-user.