https://www.eactech.online/build-notes/ Notes on product design, mobile architecture, performance and the decisions behind what EacTech is building. en https://www.eactech.online/build-notes/building-multilingual-apps-from-the-start/ https://www.eactech.online/build-notes/building-multilingual-apps-from-the-start/ Why EacTech designs apps and games for multiple languages from day one: externalized strings, ICU messages, layout, locale formatting and per-language content design. Mon, 19 Oct 2026 00:00:00 GMT localization internationalization multilingual mobile architecture content design https://www.eactech.online/build-notes/designing-multiplayer-games-before-thousands-of-players/ https://www.eactech.online/build-notes/designing-multiplayer-games-before-thousands-of-players/ How EacTech is designing FootyQuiz multiplayer for a small player base: hybrid matchmaking with live PvP, ghost PvP and bots, fair ranked play and async challenges. Mon, 19 Oct 2026 00:00:00 GMT multiplayer matchmaking game design ghost pvp anti-cheat https://www.eactech.online/build-notes/what-makes-a-good-casual-puzzle-game/ https://www.eactech.online/build-notes/what-makes-a-good-casual-puzzle-game/ EacTech's design reasoning for casual puzzle games: rules learnable in seconds, meaningful decisions, fair difficulty and respectful retention, applied to Tessera and Mystery Word. Mon, 19 Oct 2026 00:00:00 GMT casual game design puzzle games game design retention accessibility https://www.eactech.online/build-notes/why-we-build-mobile-products-offline-first/ https://www.eactech.online/build-notes/why-we-build-mobile-products-offline-first/ Why EacTech designs mobile apps and games around a local source of truth, how that shapes Scanzia, Mystery Word and FootyQuiz, and the trade-offs it brings. Mon, 19 Oct 2026 00:00:00 GMT offline-first mobile architecture sync privacy product design