Business News Covid-19: UAE’s Alhosn app down; NCEMA says glitch is being fixed Abu Dhabi residents need ‘green pass’ on the app to gain entry to most public places. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Covid-19: UAE’s Alhosn app down; NCEMA fixing glitch Green Pass: Abu Dhabi residents face issues as app down