src/pages/Apps.js

```javascript
import React from 'react';
import { Link } from 'react-router-dom';
import Sidebar from '../components/Sidebar';

const Apps = () => {
  const apps = [
    {
      id: 1,
      name: "Payment Gateway",
      type: "Web App",
      color: "purple",
      description: "Secure payment processing solution with multiple currency support.",
      updated: "2 days ago",
      image: "1"
    },
    {
      id: 2,
      name: "USSD Banking",
      type: "USSD",
      color: "blue",
      description: "Mobile banking service accessible via USSD without internet.",
      updated: "1 week ago",
      image: "2"
    },
    {
      id: 3,
      name: "Weather API",
      type: "API",
      color: "green",
      description: "Real-time weather data and forecasts API service.",
      updated: "3 days ago",
      image: "3"
    },
    {
      id: 4,
      name: "Inventory System",
      type: "Web App",
      color: "yellow",
      description: "Comprehensive inventory management system with reporting.",
      updated: "yesterday",
      image: "4"
    },
    {
      id: 5,
      name: "USSD Voting",
      type: "USSD",
      color: "red",
      description: "Mobile voting system accessible via USSD for elections.",
      updated: "2 weeks ago",
      image: "5"
    },
    {
      id: 6,
      name: "SMS Gateway API",
      type: "API",
      color: "indigo",
      description: "Bulk SMS sending and receiving API with analytics.",
      updated: "5 days ago",
      image: "6"
    }
  ];

  return (
    <div className="flex h-screen overflow-hidden bg-gray-50">
      <Sidebar active="apps" />
      
      <div className="flex-1 overflow-auto">
        <Header title="All Apps" />

        <main className="p-6">
          <div className="mb-6 bg-white rounded-lg shadow p-4">
            <div className="flex flex-col md:flex-row md:items-center md:justify-between">
              <div className="relative w-full md:w-64 mb-4 md:mb-0">
                <input type="text" placeholder="Search apps..." 
                       className="w-full pl-10 pr-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-purple-500" />
                <i data-feather="search" className="absolute left-3 top-2.5 text-gray-400"></i>
              </div>
              
              <div className="flex space-x-2">
                <select className="border border-gray-300 rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-purple-500">
                  <option>All Categories</option>
                  <option>Web Apps</option>
                  <option>USSD</option>
                  <option>APIs</option>
                </select>
                
                <select className="border border-gray-300 rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-purple-500">
                  <option>Sort by</option>
                  <option>Recently Added</option>
                  <option>Most Popular</option>
                  <option>A-Z</option>
                </select>
                
                <Link to="/new-app" className="bg-purple-600 text-white px-4 py-2 rounded-lg hover:bg-purple-700 focus:outline-none focus:ring-2 focus:ring-purple-500 flex items-center">
                  <i data-feather="plus" className="w-4 h-4 mr-1"></i>
                  New App
                </Link>
              </div>
            </div>
          </div>
          
          <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-6">
            {apps.map(app => (
              <AppCard key={app.id} app={app} />
            ))}
          </div>
          
          <Pagination />
        </main>
      </div>
    </div>
  );
};

const Header = ({ title }) => (
  <header className="bg-white shadow-sm">
    <div className="flex justify-between items-center px-6 py-4">
      <h1 className="text-2xl font-semibold text-gray-800">{title}</h1>
      <div className="flex items-center space-x-4">
        <button className="p-2 rounded-full bg-gray-100 text-gray-600 hover:bg-gray-200">
          <i data-feather="bell"></i>
        </button>
        <button className="p-2 rounded-full bg-gray-100 text-gray-600 hover:bg-gray-200">
          <i data-feather="help-circle"></i>
        </button>
      </div>
    </div>
  </header>
);

const AppCard = ({ app }) => (
  <div className="app-card bg-white rounded-lg shadow overflow-hidden transition-all duration-200">
    <div className={`h-40 bg-${app.color}-100 flex items-center justify-center`}>
      <img 
        src={`http://static.photos/technology/640x360/${app.image}`} 
        alt="App screenshot" 
        className="h-full w-full object-cover" 
      />
    </div>
    <div className="p-5">
      <div className="flex justify-between items-start">
        <div>
          <h3 className="text-lg font-semibold text-gray-800">{app.name}</h3>
          <span className={`inline-block px-2 py-1 text-xs font-semibold rounded-full bg-${app.color}-100 text-${app.color}-800 mt-1`}>
            {app.type}
          </span>
        </div>
        <div className="flex space-x-2">
          <button className="p-2 text-gray-500 hover:text-purple-600 hover:bg-purple-50 rounded-full">
            <i data-feather="edit-2" className="w-4 h-4"></i>
          </button>
          <button className="p-2 text-gray-500 hover:text-red-600 hover:bg-red-50 rounded-full">
            <i data-feather="trash-2" className="w-4 h-4"></i>
          </button>
        </div>
      </div>
      <p className="mt-3 text-gray-600 text-sm">{app.description}</p>
      <div className="mt-4 flex justify-between items-center">
        <span className="text-xs text-gray-500">Updated {app.updated}</span>
        <a 
          href={app.type === 'USSD' ? `tel:*123#` : `https://${app.name.toLowerCase()}.example.com`} 
          target="_blank" 
          rel="noopener noreferrer"
          className={`text-sm font-medium text-${app.color}-600 hover:text-${app.color}-500 flex items-center`}
        >
          {app.type === 'USSD' ? 'Dial' : app.type === 'API' ? 'Docs' : 'Open'}
          <i data-feather={app.type === 'USSD' ? 'phone' : app.type === 'API' ? 'file-text' : 'external-link'} className="w-4 h-4 ml-1"></i>
        </a>
      </div>
    </div>
  </div>
);

const Pagination = () => (
  <div className="mt-8 flex justify-center">
    <nav className="inline-flex rounded-md shadow">
      <a href="#" className="px-3 py-2 rounded-l-md border border-gray-300 bg-white text-sm font-medium text-gray-500 hover:bg-gray-50">
        Previous
      </a>
      <a href="#" className="px-3 py-2 border-t border-b border-gray-300 bg-white text-sm font-medium text-purple-600 hover:bg-purple-50">
        1
      </a>
      <a href="#" className="px-3 py-2 border border-gray-300 bg-white text-sm font-medium text-gray-500 hover:bg-gray-50">
        2
      </a>
      <a href="#" className="px-3 py-2 border border-gray-300 bg-white text-sm font-medium text-gray-500 hover:bg-gray-50">
        3
      </a>
      <a href="#" className="px-3 py-2 rounded-r-md border border-gray-300 bg-white text-sm font-medium text-gray-500 hover:bg-gray-50">
        Next
      </a>
    </nav>
  </div>
);

export default Apps;
```