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Kl8Wall

Free open-source Home Assistant kiosk for Android wall tablets

Overview

Kl8Wall is a free, open-source Android kiosk app (GPL-3.0) that turns any wall-mounted Android 8+ tablet into a dedicated, locked-down Home Assistant dashboard panel. Control the tablet from Home Assistant automations: wake or sleep the screen, set brightness, open a different dashboard, or speak announcements. Includes a built-in REST API on port 8127 with mDNS auto-discovery, PIN-protected settings, encrypted secrets, and no telemetry or Google Play Services. Works on LineageOS and GrapheneOS.

Who It's For

Home Assistant users with wall-mounted tablets

Key Features

Locked-down kiosk mode via Device Owner (ADB)
REST API on port 8127 for HA automations
Wake/sleep, brightness, navigate, reload, TTS
mDNS auto-discovery (_kl8wall._tcp.local.)
PIN-protected settings with hot-corner unlock
Encrypted secrets at rest (AES-256-GCM)
No telemetry, no Google Play Services
Free and open source (GPL-3.0)

Platforms

Android 8+

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Open Source

Free and open source under GPL-3.0 license

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