Turn an Android tablet + stylus (S Pen) into a pressure-sensitive pen board and laser pointer for macOS — over Bluetooth LE, no cables or Wi-Fi. On-screen annotation for teaching, presentations and Google Meet screen sharing.
android kotlin macos swift annotation presentation stylus whiteboard teaching ble bluetooth-low-energy corebluetooth s-pen laser-pointer screen-sharing google-meet digital-ink galaxy-tab screen-annotation pen-input
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Updated
Jul 6, 2026 - Kotlin