Case Study · Mobile App
Sudoku by PuzzleFree
A Flutter Sudoku app connected with Firebase product services.
Mobile Apps
In Development
Mobile App · Puzzle Game · Firebase-backed Product
Overview
Project overview
Sudoku by PuzzleFree is a mobile puzzle game project built with Flutter and supported by Firebase services. The project shows practical mobile app development work: game UI, mobile release preparation, Firebase configuration, analytics thinking, and store-oriented product packaging.
Role
Role and responsibilities
The work covered product thinking, engineering decisions, and practical delivery.
- Flutter app development
- Mobile game interface planning
- Firebase setup
- Analytics and crash reporting preparation
- Store release preparation
- App metadata and asset planning
- Product review and improvement
Challenge
The challenge
A mobile puzzle app needs to feel simple, fast, and familiar while still being technically ready for real store releases. The product also needs analytics, crash visibility, app configuration, and release routines that do not slow down future improvements.
Approach
The approach
- 01Built the mobile application structure with Flutter.
- 02Used Firebase services to support mobile product infrastructure.
- 03Prepared app behavior and product packaging for iOS and Android release paths.
- 04Planned analytics and crash visibility so the product can be improved after testing.
- 05Kept the app structure suitable for future puzzle products under the same product family.
Outcome
What it delivered
- A mobile Sudoku app project with Flutter as the main application layer.
- Firebase included in the mobile product stack.
- A practical example of store-facing mobile app development.
- A reusable knowledge base for future PuzzleFree mobile apps.
- Experience with release checks, metadata, screenshots, and store requirements.
Preview
Product preview
Sudoku by PuzzleFree · mobile
Flutter puzzle app with Firebase-backed mobile product services.
Architecture
System overview
A simple view of the main product layers.
Architecture
App
Flutter mobile applicationGame
Sudoku interface and puzzle logicFirebase
Analytics, crash visibility, and app servicesStores
App Store Connect and Google Play release workflowFuture
PuzzleFree mobile product familyFlutterDartFirebaseFirebase AnalyticsCrashlyticsApp Store ConnectGoogle Play Console
