I've created a comprehensive mobile-first SpeakEasy app with the following features:

Key Features

Onboarding Flow

• Welcome screen with app introduction
• Profile setup with language selection
• Native language and target language configuration

Main Dashboard

• Clean, mobile-optimized interface
• Search and filter functionality for native speakers
• Quick stats showing user progress
• Tabbed interface (Available speakers / Favorites)

Native Speaker Cards

• Profile photos with availability indicators
• Ratings, reviews, and specialties
• Pricing and next available slot
• Quick action buttons for audio/video calls

Video Call Interface

• Full-screen call experience
• Picture-in-picture self-view
• Call controls (mute, video toggle, hang up)
• Live call duration and status

Mobile-First Design

• Responsive layout optimized for mobile devices
• Touch-friendly buttons and interactions
• Bottom navigation for easy thumb access
• Proper spacing and typography for mobile screens

Design Highlights

• Modern UI: Clean cards, proper spacing, and intuitive navigation
• Accessibility: Screen reader support and proper ARIA labels
• Visual Feedback: Availability indicators, loading states, and interactive elements
• Language Focus: Flag emojis, language badges, and specialty tags
• Professional Feel: Rating systems, pricing display, and structured profiles

The app simulates the core functionality of connecting language learners with native speakers through short audio/video calls, with a strong emphasis on oral practice as requested. The interface is fully responsive and optimized for mobile use.