HandBoard

An accessibility-focused Android keyboard designed for people who use their phone with one hand, one finger, or have limited mobility.

🎯 Who Is This For?

HandBoard is built for people who:

- 👆 Use their phone with one hand - 👍 Type with only their thumb - 🤚 Can only use their right or left hand - ☝️ Type with a single finger - ♿ Have limited mobility or a physical disability - 🧏 Need an accessible keyboard experience

Standard keyboards assume two-handed use. HandBoard doesn't.

✨ Features

Keyboard

- 🎹 4 keyboard layouts — QWERTY, Right Hand, Left Hand, Thumb - 🔤 Shift & Caps Lock with visual feedback - ⌫ Hold-to-repeat backspace — hold down to delete continuously - 🔢 Symbol & number layer — switch with one tap - 🌐 Quick layout switching — cycle through layouts from the toolbar

Emoji & Clipboard

- 😊 3600+ emojis — powered by Google's emoji2-emojipicker - 🎨 Skin tone variants — long press for options - 📋 Clipboard history — remembers copied text - 🖼️ Image paste support — paste screenshots and images (Android 7.1+)

Word Prediction

- 💬 Smart suggestions — Trie + Bigram engine - 📚 400+ word dictionary — English (US) built-in - 🧠 Learns from you — gets smarter as you type - 🔢 Adjustable suggestion count — show 1 to 5 suggestions

Customization

- 📏 Keyboard height — scale from 0.7x to 1.5x - 📐 Keyboard width — 50% to 100% of screen - ◀️ Position — left, center, or right aligned - 📱 Bottom padding — fix navigation bar overlap - 📳 Haptic feedback — toggle vibration on/off - 🎨 Material You — dynamic colors on Android 12+, purple fallback on older versions

Accessibility

- ♿ Designed from the ground up for one-handed use - 🎯 Large touch targets - 🔍 Clear visual feedback on key press - 🌙 Dark theme for reduced eye strain

🛠️ Setup

After installing the APK:

1. Open HandBoard app 2. Tap "Open Settings" → Enable HandBoard in system keyboard list 3. Go back → Tap "Select Keyboard" → Choose HandBoard 4. Open any app with a text field → HandBoard appears!

Customize

- Open HandBoard app → Tap "⚙ Keyboard Settings" - Adjust layout, size, position, predictions, haptic feedback

License

Copyright (c) 2025 Ömer

This project is licensed under the MIT License.