Key Features:

User Experience (UX): Designing intuitive and engaging interfaces is paramount, focusing on ease of navigation, accessibility, and overall usability. 
Scalability: Web applications should be designed to handle increasing traffic and data loads without compromising Mobile-Friendly Interface: In today's digital world, users expect a seamless experience on any device, so mobile responsiveness is a must-have 
Analytics and Reporting: Tools that provide insights into user behavior and app performance are vital for continuous improvement 

Benefits:

Global Reach: Web applications can be accessed from anywhere with an internet connection, expanding your reach to a global audience. 24/7 Availability: Users can access the application anytime, anywhere, promoting convenience and flexibility. 
Reduced Development Costs: Web application development can be more cost-effective than native mobile app development, as you don't need to create separate versions for different operating systems. 
Lower Maintenance Costs: Updates and maintenance are simpler and faster for web applications, reducing long-term costs. 
Efficiency and Scalability: Real-time Updates: Changes and updates to the application can be deployed quickly and easily, ensuring users always have the latest version. 
Improved Collaboration: Web applications enable real-time collaboration, allowing multiple users to work on the same project simultaneously.