app-gtm-release-toolkit

Distribute apps through alternative channels beyond mainstream stores. Android: F-Droid, GitHub Releases (Obtainium-compatible), IzzyOnDroid, direct APK. Linux desktop: Flathub (Phase 2). Covers reproducible builds, fdroiddata metadata, AppStream metadata for Flathub, flatpak-builder manifests, and PR workflow to flathub/flathub. Use this skill when the user asks about F-Droid publishing, open source app distribution, APK distribution outside Play Store, Obtainium, reproducible builds, FOSS app stores, fdroiddata, IzzyOnDroid, self-hosted repos, sideloading, distributing without Google Play, Flathub, flatpak, flatpak-builder, AppStream, 'publish to Flathub', or 'Linux desktop FOSS distribution'.

.NET MAUI multi-target publishing for Android, iOS, Windows (Microsoft Store), and macOS (Mac Catalyst). Covers .NET workload setup, project structure (Platforms/{Android,iOS,Windows,MacCatalyst}), build modes (Debug, Release with AOT/R2R/trimming), per-target signing (Android keystore, iOS provisioning, MSIX self-signing or Microsoft Store, Mac App Store), entitlements, code signing CI workflow, .csproj target framework matrix, MAUI Hot Reload limits in production, and typical migration pitfalls from Xamarin.Forms. Use this skill when the user asks about .NET MAUI, MAUI publishing, dotnet workload install maui, .csproj TargetFrameworks for MAUI, MAUI Android/iOS/Windows packaging, MAUI MSIX, MAUI App Store submission, Xamarin to MAUI migration, or 'ship a .NET MAUI app'.

Build, test, and prepare a Kotlin Multiplatform (KMP / KMM) project for shipping to Google Play and Apple App Store. Covers project structure (commonMain, androidMain, iosMain, iosApp/), Gradle Kotlin DSL config, Kotlin/Native compilation, iOS framework integration via CocoaPods or Swift Package Manager, Compose Multiplatform setup, expect/actual patterns, build commands per platform, signing, version sync between Gradle and iOS Info.plist, and common pitfalls (framework size, transitive Kotlin dependencies, kotlinx.* version conflicts). Use this skill when the user asks about KMP, KMM, Kotlin Multiplatform Mobile, shared Kotlin code, Compose Multiplatform, expect/actual, kotlin-multiplatform Gradle plugin, KMP iOS framework, embed Kotlin in iOS, or 'ship a Kotlin Multiplatform app'.

Package and publish a Linux desktop application to the Snap Store. Covers snapcraft.yaml authoring (parts, plugs, slots, confinement), build via LXD/Multipass, naming registration on Snap Store, channels strategy (edge/beta/candidate/stable), branch tracks, public/private/unlisted visibility, and CI/CD integration. Use this skill when the user asks about Snap Store, snapcraft, Snapcraft, Ubuntu Store, Linux app distribution, snap publishing, '.snap' files, snap channels, snap confinement, classic snaps, or 'publish to Snap Store'.

Submit an app to Microsoft Store via Microsoft Partner Center. Covers two packaging paths (PWA via PWA Builder MSIX, native MSIX from Win32/UWP/desktop apps), Partner Center account setup, app reservation, package upload, store listing requirements (description, screenshots, age rating), certification process (1-7 days typical), and post-launch updates. Use this skill when the user asks about Microsoft Store, Partner Center, MSIX, AppX, Windows Store submission, MS Store certification, Windows app distribution, 'publish to Microsoft Store', or 'Windows app store'.

Validate and improve a Progressive Web App's quality before shipping to stores. Covers Web App Manifest schema, service worker patterns (Workbox 7 / offline-plugin / vanilla), Lighthouse PWA audits (the 14 PWA checks), HTTPS + mixed content, install prompts (beforeinstallprompt), iOS-specific quirks (apple-touch-icon, status bar, safe-areas), and common pitfalls that block app store submission. Use this skill when the user asks about PWA readiness, manifest validation, service worker setup, Lighthouse PWA score, Workbox, offline-plugin, install prompts, 'is my PWA ready', 'why does my PWA fail Lighthouse', PWA Builder requirements, or before /ship-pwa runs gate validation.

Set up over-the-air (OTA) updates for Flutter apps using Shorebird Code Push. Use this skill when the user asks about hot updates, OTA updates, code push, patching without store review, instant updates, bypassing store releases, Shorebird setup, or deploying Dart code changes without going through the app store submission process. Also triggers on: 'push a fix without store update', 'update without releasing', 'Shorebird', 'patch my app', or 'instant deploy'.

Master orchestration for launching a Flutter app to Google Play and App Store in 24 hours. Use this skill when the user wants to ship a Flutter app, plan a mobile release, create a launch timeline, or asks about the steps to publish to app stores. Also triggers when the user mentions 'release plan', 'launch checklist', 'ship my app', 'publish to stores', 'go live', or 'release strategy'. Even if they just say 'I want to launch my app' — this is the skill to use.

Comprehensive pre-launch checklist for Flutter apps covering code quality, environment setup, error monitoring, analytics, force updates, security, store compliance, and production readiness. Based on Andrea Bizzotto's Flutter release methodology. Use this skill when the user asks about release readiness, pre-launch review, production checklist, 'am I ready to launch', 'what am I missing before release', app review preparation, or final checks before submitting to stores. Also triggers on: 'checklist before launch', 'production readiness', 'release preparation', 'review my app before submitting'.

Set up Google Play Console and App Store Connect for a Flutter app. Use this skill when the user needs to create an app in Play Console, set up App Store Connect, configure app metadata, content ratings, pricing, data safety declarations, or any store dashboard configuration. Triggers on: 'create app in Play Console', 'App Store Connect setup', 'configure store', 'data safety form', 'content rating', 'app record', or 'prepare stores for release'.

Set up and manage app testing tracks across Google Play (internal, closed, open testing), Apple TestFlight (internal, external), and real device testing platforms (BrowserStack, Sauce Labs). Use this skill when the user asks about beta testing, internal testing, TestFlight setup, closed testing, open testing, pre-launch reports, real device testing, QA distribution, tester management, or testing progression before production release. Also triggers on: 'test my app with real users', 'set up beta testing', 'distribute to testers', 'pre-launch report', or 'device lab testing'.

Set up CI/CD pipelines for Flutter app builds and releases using Codemagic (priority) or GitHub Actions. Use this skill when the user asks about Flutter CI/CD, automated builds, Codemagic setup, GitHub Actions for Flutter, code signing automation, build pipelines, or deploying Flutter apps through CI. Also triggers on: 'automate my builds', 'set up continuous integration', 'pipeline for Flutter', 'codemagic.yaml', 'workflow for Flutter', or any mention of automating Flutter app distribution.

Configure Firebase App Check and other security measures for Flutter apps before launch. Use this skill when the user asks about App Check, Play Integrity, App Attest, DeviceCheck, API protection, preventing abuse, securing Firebase services, attestation providers, or protecting backend APIs from unauthorized clients. Also triggers on: 'protect my API', 'App Check setup', 'prevent scraping', 'verify legitimate app', or 'secure Firebase'.

Set up in-app purchases, subscriptions, and payment processing for Flutter apps using RevenueCat or Lemon Squeezy. Use this skill when the user asks about monetization, subscriptions, in-app purchases, paywalls, entitlements, offerings, RevenueCat setup, Lemon Squeezy integration, pricing models, or payment processing for mobile apps. Also triggers on: 'add subscriptions', 'paywall', 'premium features', 'free trial', 'freemium model', or 'how to charge users'.

Prepare store listings for Google Play and App Store including screenshots, descriptions, icons, feature graphics, keywords, and ASO (App Store Optimization). Use this skill when the user needs to create or improve store assets, write app descriptions, prepare screenshots, optimize keywords, plan A/B tests for listings, or handle localization. Triggers on: 'store listing', 'app screenshots', 'app description', 'feature graphic', 'ASO', 'keywords', 'store assets', 'app icon specs', or 'localize my listing'.