Mobile Angular UI is a great tool for developing mobile application, is fast and well documented. Unfortunately it's an old piece of software that won't be used anymore by anyone. Switch to Angular Material, Ionic2+ or Framework7 or other frameworks under active development

Its an easy user experience to build videos

I really like the accessibility for newsletters made by companies. That you are able to view and access them from the ease of your smartphone. It's great on the go and for a quick look up.