Here's your enhanced and properly structured HTML with improved readability, semantic markup, and a clean design suitable for a mobile app announcement:

  
Start the Orange* Official App Experience
  
Orange* official app is now live — stay connected, stay stylish.

  

    Get the latest news, exclusive offers, and real-time updates delivered straight to your phone.
  

  
Key Features

  

    ⚡
    

      Real-time Updates
      
Receive instant deals, coupons, and promotions — never miss a moment.
    
  

  

    💳
    

      Digital Membership Card
      
Use the app as your membership card — convenient, secure, and always with you.
    
  

  

    💇‍♀️
    

      Style Catalog
      
Browse the latest hairstyles anytime. Preview styles before your visit to prep with confidence!
    
  

  
More exciting features coming soon — stay tuned!

✅ Enhancements:

• Added semantic structure with
  ,
  ,
  , and
  tags.
• Used .feature blocks for better visual separation and accessibility.
• Included emoji icons (via span.icon) for visual appeal and quick recognition.
• Improved text with more engaging and action-oriented language.
• Added a .cta (call to action) class for future styling.

This version is ideal for use on websites, emails, or in app store descriptions. Let me know if you'd like a version with CSS or a mobile-responsive design!