https://sunstoneapps.com/blog/ Field notes from Sunstone Apps about mobile games, app publishing, Google Play, and calm product engineering. en-US https://sunstoneapps.com/blog/astro-check-vscode-languageserver-protocol-override/ https://sunstoneapps.com/blog/astro-check-vscode-languageserver-protocol-override/ Mon, 20 Jul 2026 01:00:00 GMT Astro and pnpm How a global vscode-languageserver-protocol override broke @astrojs/check with ERR_PACKAGE_PATH_NOT_EXPORTED, and why removing the override fixed typechecking across Astro sites. https://sunstoneapps.com/blog/institutional-site-privacy-analytics-chrome/ https://sunstoneapps.com/blog/institutional-site-privacy-analytics-chrome/ Mon, 20 Jul 2026 00:00:00 GMT Studio operations A practical note on adding GA4 and Cloudflare Web Analytics to a small studio site without turning legal pages, sitemap rules, and header/footer links into copy-paste drift. https://sunstoneapps.com/blog/production-logs-mobile-aspect-ratio-react-native-layout/ https://sunstoneapps.com/blog/production-logs-mobile-aspect-ratio-react-native-layout/ Thu, 16 Jul 2026 02:00:00 GMT Engineering process How we used Loki user-agent logs, iPhone model usage data, and mobile screen-resolution stats to choose practical aspect-ratio targets for a React Native game layout. https://sunstoneapps.com/blog/app-documentation-release-notes-structure/ https://sunstoneapps.com/blog/app-documentation-release-notes-structure/ Thu, 16 Jul 2026 01:00:00 GMT Studio process A practical structure for app documentation: living plans, dated history, versioned release notes, product references, store copy, and release gates without turning one Markdown file into a junk drawer. https://sunstoneapps.com/blog/ux-heuristic-critique-react-native-mobile-game/ https://sunstoneapps.com/blog/ux-heuristic-critique-react-native-mobile-game/ Thu, 16 Jul 2026 00:00:00 GMT UX and product A solo developer walks through a Nielsen-based heuristic evaluation of a published React Native game, prioritizes the findings, and measures the score change after fixing them. Practical process for indie devs without a UX team. https://sunstoneapps.com/blog/app-landing-page-after-launch-play-store/ https://sunstoneapps.com/blog/app-landing-page-after-launch-play-store/ Wed, 15 Jul 2026 00:00:00 GMT Landing pages and conversion The app was already published, but the website still talked like a pre-launch teaser. Here is what we changed — with AI assistants and an automated design critique — to turn it into a real conversion surface. https://sunstoneapps.com/blog/astro-blog-date-off-by-one-timezone/ https://sunstoneapps.com/blog/astro-blog-date-off-by-one-timezone/ Tue, 14 Jul 2026 00:00:00 GMT Astro and Cloudflare Pages Every blog post on our Astro site showed the wrong date — one day earlier than the frontmatter value. The root cause was simple, but the complete fix touched frontmatter, formatting, sorting, and the content schema. https://sunstoneapps.com/blog/expo-android-release-semver-config-generated/ https://sunstoneapps.com/blog/expo-android-release-semver-config-generated/ Sat, 11 Jul 2026 00:00:00 GMT Expo Android release After nine Play uploads on versionName 0.1.0, lint overwriting production config, and ambiguous build script names, we documented SemVer rules, dev/prd commands, and why lint must not regenerate config. https://sunstoneapps.com/blog/react-native-ga4-screen-view-firebase-debug/ https://sunstoneapps.com/blog/react-native-ga4-screen-view-firebase-debug/ Sat, 11 Jul 2026 00:00:00 GMT React Native Analytics Daily Sudoku had hundreds of Firebase events but zero Pages and screens views. Here is how we added screen_view from React Navigation, user properties, GA4 custom dimensions, and logcat validation when DebugView fails on physical devices. https://sunstoneapps.com/blog/react-native-admob-ump-privacy-messages/ https://sunstoneapps.com/blog/react-native-admob-ump-privacy-messages/ Fri, 10 Jul 2026 00:00:00 GMT React Native Ads A practical release checklist for AdMob UMP in an Expo/React Native Android app, covering GDPR messages, US state privacy messages, app store linking, and the SDK gate before ads can request. https://sunstoneapps.com/blog/react-native-overlay-zindex-elevation-confetti/ https://sunstoneapps.com/blog/react-native-overlay-zindex-elevation-confetti/ Thu, 09 Jul 2026 00:00:00 GMT React Native A win-screen celebration overlay fell behind the result cards and dropped too fast. The cause was React Native's sibling paint order, not a missing z-index. Here is why zIndex alone is not enough on Android and how we fixed both bugs. https://sunstoneapps.com/blog/sudoku-notes-candidate-filter-exploit/ https://sunstoneapps.com/blog/sudoku-notes-candidate-filter-exploit/ Wed, 08 Jul 2026 00:00:00 GMT Game Design Our Sudoku blocked pencil marks that conflicted with the row, column, or box. It felt like a safety check. It was actually a free solver that told players which numbers were still possible. Here is the fix and the principle behind it. https://sunstoneapps.com/blog/react-native-hardware-keyboard-android-new-architecture/ https://sunstoneapps.com/blog/react-native-hardware-keyboard-android-new-architecture/ Tue, 07 Jul 2026 00:00:00 GMT React Native We wanted physical-keyboard input in a React Native game on Android. The classic hidden TextInput trick failed under Fabric because showSoftInputOnFocus is ignored. adb proved it, and a config plugin fixed it for good. https://sunstoneapps.com/blog/react-native-skia-text-centering-border-clip/ https://sunstoneapps.com/blog/react-native-skia-text-centering-border-clip/ Mon, 06 Jul 2026 00:00:00 GMT React Native Skia A border on an overflow-hidden container silently shifted our Skia board and un-centered every digit. Here is how screenshots, not eyeballs, found the real cause in a React Native game. https://sunstoneapps.com/blog/react-native-dev-tools-config-vs-dev-flag/ https://sunstoneapps.com/blog/react-native-dev-tools-config-vs-dev-flag/ Sun, 05 Jul 2026 00:00:00 GMT React Native tooling A developer shortcut hidden behind __DEV__ disappeared exactly when we needed it in a release build. Here is why that happens in React Native and how we moved the gate to runtime config. https://sunstoneapps.com/blog/react-native-design-tokens-sudoku-art-direction/ https://sunstoneapps.com/blog/react-native-design-tokens-sudoku-art-direction/ Sat, 04 Jul 2026 00:00:00 GMT Design systems How we gave a template-looking Sudoku a bold art direction by changing the theme tokens first, sharing them with our website, and staying inside a low-end performance budget. https://sunstoneapps.com/blog/expo-haptics-react-native-game-settings/ https://sunstoneapps.com/blog/expo-haptics-react-native-game-settings/ Fri, 03 Jul 2026 00:00:00 GMT React Native Haptics How Daily Sudoku added a persisted vibration toggle, reused gameplay feedback events, and kept Web bundling safe while using expo-haptics on native. https://sunstoneapps.com/blog/expo-react-native-web-audio-wav-assets/ https://sunstoneapps.com/blog/expo-react-native-web-audio-wav-assets/ Thu, 02 Jul 2026 00:00:00 GMT React Native Web How we reduced the gap between Web and app in an Expo/React Native game by replacing synthetic tones with bundled WAV assets and configurable audio logs. https://sunstoneapps.com/blog/react-native-skia-e2e-github-actions-pnpm/ https://sunstoneapps.com/blog/react-native-skia-e2e-github-actions-pnpm/ Wed, 01 Jul 2026 00:00:00 GMT React Native Testing A field note on testing a React Native Skia canvas board with Playwright, replacing DOM-only selectors with a narrow test bridge, and keeping persistence deterministic. https://sunstoneapps.com/blog/google-indexing-astro-cloudflare-pages/ https://sunstoneapps.com/blog/google-indexing-astro-cloudflare-pages/ Tue, 30 Jun 2026 00:00:00 GMT Technical SEO A field checklist for proving that Astro sites on Cloudflare Pages are crawlable, submitted in Search Console, and actually indexed by Google. https://sunstoneapps.com/blog/react-native-android-touch-sound-toggle/ https://sunstoneapps.com/blog/react-native-android-touch-sound-toggle/ Mon, 29 Jun 2026 00:00:00 GMT React Native Android How one React Native sound setting ended up owning gameplay effects, Android tap feedback, and a double-toggle bug in a nested Switch. https://sunstoneapps.com/blog/react-native-perceived-latency-probe/ https://sunstoneapps.com/blog/react-native-perceived-latency-probe/ Sun, 28 Jun 2026 00:00:00 GMT React Native performance How we measured React Native response time from tap handler to state update and paint when frame stats did not explain what players felt. https://sunstoneapps.com/blog/react-native-sudoku-skia-renderer/ https://sunstoneapps.com/blog/react-native-sudoku-skia-renderer/ Sat, 27 Jun 2026 00:00:00 GMT React Native performance How we tested a Skia Sudoku board behind config without deleting the React Native renderer, accessibility layer, or rollback path. https://sunstoneapps.com/blog/expo-splash-screen-sdk-upgrade/ https://sunstoneapps.com/blog/expo-splash-screen-sdk-upgrade/ Fri, 26 Jun 2026 00:00:00 GMT Expo Native Builds A practical field note on fixing a missing native splash after an Expo SDK upgrade by moving from the legacy splash block to the expo-splash-screen plugin. https://sunstoneapps.com/blog/validar-compra-teste-google-play-revenuecat/ https://sunstoneapps.com/blog/validar-compra-teste-google-play-revenuecat/ Thu, 25 Jun 2026 00:00:00 GMT Android monetization A field checklist for tying one Google Play test purchase to RevenueCat credentials, the Play Console order, sandbox data, SDK identity, and Sentry. https://sunstoneapps.com/blog/checklist-teste-interno-android-google-play/ https://sunstoneapps.com/blog/checklist-teste-interno-android-google-play/ Wed, 24 Jun 2026 00:00:00 GMT Quality before beta How to separate what a Google Play build has proven from SDK, billing, ads, and observability gaps before inviting more testers. https://sunstoneapps.com/blog/expo-react-native-google-play-aab-local/ https://sunstoneapps.com/blog/expo-react-native-google-play-aab-local/ Tue, 23 Jun 2026 00:00:00 GMT React Native on Google Play How to build a local Expo/React Native AAB for Google Play and still validate signing, Firebase, Sentry, AdMob, RevenueCat, and Play delivery like a real release. https://sunstoneapps.com/blog/react-native-versioncode-bundle-js-cacheado/ https://sunstoneapps.com/blog/react-native-versioncode-bundle-js-cacheado/ Mon, 22 Jun 2026 00:00:00 GMT React Native release debugging A release bug where Google Play installed a new Android versionCode while the React Native JavaScript bundle still reported the old Sentry release. https://sunstoneapps.com/blog/revenuecat-vs-google-play-billing-app-indie/ https://sunstoneapps.com/blog/revenuecat-vs-google-play-billing-app-indie/ Sun, 21 Jun 2026 00:00:00 GMT Mobile monetization A margin and operations breakdown for deciding whether an indie app should pay RevenueCat or own Google Play Billing support itself. https://sunstoneapps.com/blog/google-play-console-app-android-brasil/ https://sunstoneapps.com/blog/google-play-console-app-android-brasil/ Sat, 20 Jun 2026 00:00:00 GMT Google Play in Brazil A practical order for getting developer identity, payments, public profile, account groups, signing keys, and legal pages ready before a first Google Play upload.