Version 1.4 — Enhanced Multiplayer & Share Room Links NEW: Share Room Links • Invite friends easily! Share room codes with a single tap via Messages, WeChat, social apps, and more. • One-Tap Join: Friends can tap the shared link to join your room directly—no need to manually enter the code. • Deep-linking support: Seamless integration with iOS sharing system for instant room access. Multiplayer Enhancements • Improved connection stability when playing over Game Center. • More reliable room discovery and joining experience. • Enhanced UI for hosting and joining multiplayer games. • Better error handling and recovery for network interruptions. NEW: Grandmaster AI Difficulty (Pro) • Ultimate AI challenge with perfect card memory and adaptive learning. • Expert signal system: AI partners coordinate using advanced card signals. • Proactive point protection: AI actively prevents opponents from scoring. • Endgame simulation: Near-perfect play in critical final tricks. • Fixed multiple AI decision logic bugs from version 1.3. UI & UX Polish • Optimized sheet presentations for landscape mode on all devices. • Refined animations and transitions throughout the app. • Better support for all interface orientations per App Store requirements. • Improved visual consistency across different screen sizes. Bug Fixes • Fixed HUD display issues with double-digit ranks (rank 10). • Resolved game end victory page display truncation. • Corrected various edge cases in AI decision logic. • General stability improvements and performance optimizations.

Version 1.3 — Online Multiplayer, Settings Redesign, and More Online Multiplayer (Pro Feature) • Play with up to 4 real players online via internet (Game Center) or local Wi-Fi • Create a private room and share a 6-digit code with friends • Works over any internet connection (5G, Wi-Fi) using Apple Game Center • AI automatically fills empty seats • 3-player and 4-player games supported with reliable connection handling • Clear error message when connection fails — easy to retry Settings Redesign • Completely new settings layout — all options easier to find • AI difficulty cards show name and description for each level • Game Center sign-in status and account name visible in Settings • "Keep screen awake" toggle — screen stays on during play • Choose between internet (Game Center) and local network mode • Settings sheet is now full-page on iPad Card Rules Fix • Trump-rank tractors now work correctly: a pair of off-suit trump-rank cards plus a pair of trump-suit trump-rank cards is recognized as a valid tractor Player Experience • All player names show viewer-relative compass direction (e.g. "Ray(East)", "AI(North)") • Direction labels in turn messages, bid overlays, burying display, and last trick popup • Single-player AI players still display classic compass direction names • Cannot override your own bid • Longer pause after each trick so players can review all cards played

Version 1.1 brings exciting new features: Master AI with Adaptive Learning • Advanced AI that learns your play style over time • Perfect card memory tracking all 108 cards • Prediction system estimates opponents' hands • Player style analysis for smarter gameplay Statistics & Achievements System • Track your game performance with detailed statistics • 10 unique achievements to unlock • Game history with detailed results • Performance tracking by difficulty level Share Your Success • Share game results and achievements • Share statistics and win streaks • Share to social media and messages Game Replay • Review your last trick • Analyze your gameplay decisions Enhanced Experience • Sound effects and haptic feedback • Improved UI and animations • Better performance and stability Bug fixes and performance improvements.

Smarter Master/Expert AI: improved card tracking, prediction, and endgame play (more aggressive point capture + smarter trump conservation). Better help & tips: expanded in-game tips/instructions, including AI difficulty explanations and strategy notes. Gameplay polish & fixes: improved round-end summary messaging and fixes for No Trump + save/load stability (including crash fixes).