Casual Puzzle Mobile Game Development

​I am looking to develop a mobile casual puzzle game similar in style and functionality to this reference app on Google Play: Reference Link: https://play.google.com/store/apps/details?id=com.jiyanshi.tictactoe ​I would like to receive your quote, estimated timeline, and a breakdown of the deliverables you can offer. Please share the details based on the requirements below: ​1. Core Features (Base Package) ​Clean, responsive UI/UX for both mobile phones and tablets. ​Smooth single-player modes with dynamic AI difficulty levels (Easy, Medium, Hard). ​Local pass-and-play / 2-player offline mode. ​Sound effects, haptic feedback, and lightweight animations. ​Offline gameplay capability without network dependency. ​2. Advanced & Add-on Features Please list what additional advanced features you can integrate and their respective cost impact, such as: ​Online multiplayer matchmaking or private room creation. ​Ad network integration (AdMob / Meta Bidding: Banner, Interstitial, Native, and Rewarded ads). ​In-App Purchases (IAP) for ad removal, custom skins, themes, and board customizations. ​Google Play Games integration (Achievements and Global Leaderboards). ​Analytics and crash reporting (Firebase / Crashlytics). ​3. What I Need in Your Proposal ​Total Estimated Budget: A milestone-based cost breakdown. ​Timeline: Estimated delivery time from development to final APK/AAB build. ​Tech Stack: Preferred framework (Flutter, Unity, Native, etc.). ​Portfolio: Links to similar mobile games you have successfully built and deployed. ​Looking forward to your response and proposal so we can discuss the next steps.