The UI of App Store is shown in Fig.7. Users can register
and login his personal account, change personal information,
browse service information (including the price and function of
ATE, EDA service, and apps), recharge his account and get
access to service. After authentication, the web server gets the
user roles and user permission, and then dynamically load the
accessible modules to users. In addition, the server monitors
the executing conditions of hardware and apps to ensure the
security of user's data and the platform.