Turn your Android phone or tablet into a graphics tablet for Windows — built for osu! and anything where low latency matters.

Connects directly to a custom OpenTabletDriver build over TCP.

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How it works

• Android app — captures touch and stylus input at the screen's native polling rate (60 / 90 / 120 / 240+ Hz) and streams it to your PC over TCP.
• OpenTabletDriver — automatically detects the device via ADB, sets up port forwarding, and treats your phone as a real graphics tablet.

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Features

• Plug & Play — connect, launch OTD, done.
• Ultra-low latency — non-blocking touch pipeline, historical batch sampling.
• Live diagnostics:
  • TPS (touches per second) and packet counter on screen.
  • Connection status indicator: USB (ADB) or Wi-Fi.
  • Automatic Wi-Fi IP discovery.
  • Built-in crash reporter.
• Configurable work area:
  • Aspect ratio presets: 16:9, 4:3, Fullscreen.
  • Position anchors: Center, Bottom Right, Bottom Left, Right Center.
  • Drag and resize directly on screen.
  • Real-time two-way area sync with OpenTabletDriver.

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Quick Start

Wired (USB / ADB) — recommended

1. Install the app on your phone.
2. Enable USB Debugging in Android Developer Options.
3. Connect your phone to the PC via USB and accept the debugging prompt.
4. Launch OpenTabletDriver on your PC — it connects automatically.

Wireless (Wi-Fi)

1. Connect your PC and phone to the same Wi-Fi network.
2. Open tabletizer on your phone — your local IP will be shown on screen.
3. Launch OpenTabletDriver on your PC.

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Building from Source

APK (Debug)

./gradlew.bat assembleDebug

Output: app/build/outputs/apk/debug/app-debug.apk

APK (Release)

Set up key.properties with your keystore credentials, then:

./gradlew.bat assembleRelease

Output: app/build/outputs/apk/release/app-release.apk