To develop an app like Marks and Spencer UAE, you must take assistance from an eCommerce app development company and follow these steps:  

  1. Define app requirements and features. 
  2. Design a user-friendly interface. 
  3. Develop the app using suitable technologies. 
  4. Integrate e-commerce functionality, payment gateways, and delivery tracking.
  5. Test thoroughly for bugs and usability. 
  6. Launch and promote the app.