Cobalt is an open-source app platform for Kobo e-readers: a launcher, a signed App Store, a Rust SDK, and a capability-isolated runtime. One USB install; every app after that arrives over Wi-Fi.
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Exploring Cobalt for “Your Kobo can run apps now”? Consider broader options too: Expo speeds up mobile builds, Tauri creates tiny, secure desktop apps with Rust, and ToDesktop turns your web app into a native desktop build fast. For tooling, pkgx runs anything anywhere, and Build Store offers a trusted iOS app source.
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