1. Creation of the framework of the application
2. Advanced knowledge required for angular development
3. Increasing the interactivity of the templates by configuring them for different devices
4. Use of advanced technology like ionic, Phonegap, Cordova, Nodejs, and Rich UI app
5.Integrating complex features such as price calculators, tracking and navigation of shipments, and also query forms for better customer service
6. Extensive use of reactive programming and user authentication process for maximum security
7. Requiring experts in the field of Semantic UI, NativeScript, CoffeeScript, MEAN stack, ExtJs,