Case Studies
Proof in shipped products. Explore real-world applications built with Kotlin and Compose.
Properstar Android
Global real-estate app, 60 countries
- ★ rating ↑ 3.5 → 4.5 in 3 months
- MotionLayout, server-driven UI
- Custom phone-input view
- Google Maps clustering & polygon search
- Analytics pipeline enabled segmented growth experiments
- Crash rate reduced to less than 0.4% across all devices
Tech: Kotlin, Compose, MotionLayout, Maps SDK
Audio story-teller app
Cross-platform audio/video fest app
- MVP shipped in 12 weeks
- Kotlin Multiplatform + ML Kit
- Firebase Auth & Storage
- Koin DI
- On-time App Store & Play-Store release for festival deadline
- 95% playback success on first launch across diverse devices
Tech: Kotlin, KMP, ML Kit, Firebase, Koin
Troupopup "Theatre"
Immersive audio storytelling
- 40% longer sessions
- Custom ExoPlayer UI & background resume
- QR triggered scene changes
- Offline caching for dead-zone playback
- 5-star average on launch week with enthusiastic user feedback
- Immersive audio synced to bar-hop experiences
Tech: Kotlin, ExoPlayer, MVVM, Clean Architecture
Scout Fleet Tracker
Live vehicle maps—3 map engines
- Idle time ↓ 12%
- Abstraction layer for Google/OSM/Yandex
- WebSocket telemetry & clustering
- Multi-module clean architecture
- Map FPS steady at 60 even on mid-range devices with hundreds of vehicles
- Dispatchers shaved 12% idle miles through more efficient routing
Tech: Kotlin, Coroutines/Flow, RxJava, Map SDKs
Book Library
600k MAU legacy refactor
- Crash-free 99.7%
- Gradual refactor (MVP → MVVM)
- Memory-leak sweeps
- New analytics & A/B hooks
- Reading time per user increased by 8% due to improved stability
- Support tickets reduced by 25% with fewer crashes and technical issues
Tech: Kotlin + Java, Firebase Crashlytics
Nexign QR Scanner
Internal asset tracking
- Lookup time ↓ 2 min → 10 s
- ZXing scanner
- Jira CMDB REST sync
- GitLab CI/CD
- 2,000+ devices deployed company-wide with minimal training
- Audit time cut by 90% from days to hours for quarterly inventory
Tech: Kotlin, ZXing, Jira REST
Enterprise Tablet System App
Signature-level Android system app
- 100% remote-control uptime
- System-privileged signing & whitelisting
- Embedded HTTP server for OTA commands
- Background service watchdog
- Remote diagnostics slashed on-site visits by 70%
- Full audit trail of screen & audio for regulated environments
Tech: Kotlin, JNI, AOSP APIs, OkHttp Server
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